U.S. Patents 1851-1930
|
|
|
US0007961 Mar 4, 1851
CALCULATING MACHINE
John W. Nystrom
|
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US0139601 June 3, 1873
DRAFTSMAN'S RULING-GAGES
Augustus F. Nagle
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US0145549
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US0157239
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US0168505
|
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US0188083
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US0196071
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US0199721
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US0214510
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US0219246
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US0228416
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US0249117
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US0275089
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USRE10592
|
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US0283331
|
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US0297573
|
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US0331264
|
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US0356140
|
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US0379536
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US0387070
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US0399129
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US0417261
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US0426444
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US0450640
|
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US0456869
|
|
US0460930 Oct 6, 1891 ENGINEER'S SLIDE RULE William Cox New York Keuffel & Esser Co.
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US0465811
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US0478885
|
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US0484538
|
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US0484567
|
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US0486070
|
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US0492677
|
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US0513172
|
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US0514725
|
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US0515978
|
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US0517308
|
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USxxxxxxx
|
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US0543899
|
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US0555218
|
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US0556761
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US0580783
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US0585336
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US0592067
|
|
US0603370
|
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US0603695
|
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US0604963
|
|
US0606388
June, 28, 1898
SLIDE RULE
John G.D. Mack
Diane, Wisconsin
|
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US0616132
|
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US0621348
|
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US0640584
|
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US0651142
|
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US0657916
|
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US0661096
|
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US0669286
|
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US0677817
|
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US0693774
|
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US0694258
|
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US0701103
|
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US0703437
|
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US0717381
|
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US0721405
|
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US0734288
|
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US0746888
|
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US0748050
|
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US0753840
|
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US0767170
|
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US0768971
|
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US0769044
|
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US0770061
|
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US0770552
|
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US0773235
|
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US0786102
|
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US0788638
|
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US0790564
|
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US0801354
|
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US0802344
|
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US0811625
|
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US0813485
|
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US0814467
|
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US0825363
|
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US0829526
|
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US0838696
|
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US0843944
|
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US0845463
|
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US0845747
|
|
US0847904
|
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US0879237
|
|
US0880907
|
|
US0883800
Apr. 7, 1908
CALCULATING RULE
W.H. Harlow
|
|
US0884729
|
|
US0887390
|
|
US0907373
|
|
US)908741
|
|
US0909621
|
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US0922465
|
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US0933605
|
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US0937863
|
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US0962441
|
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US0974354
|
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US0980412
|
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US0982876
|
|
US0996039
|
|
US0997680
|
|
US1000562
Slide-Rule
Aug. 15, 1911
Bernard T. Steber
|
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US1001061
|
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US1004339
|
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US1005560
|
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US1009493
|
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US1012660
|
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US1014344
|
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US1017719
|
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US1021484
|
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US1028237
|
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US1036575
|
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US1040592
|
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US1041204
|
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US1042755
|
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US1050129
|
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US1056578
|
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US1056775
|
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US1088175
|
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US1108480
|
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US1123507
|
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US1123849
|
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US1145042
|
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US1153565
|
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US1154619
|
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US1157526
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US1157609
|
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US1160798
|
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US1168059
|
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US1170886
|
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US1171741
|
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US1181672
|
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US1195702
|
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US1210488
|
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US1214040
|
|
US1219261
|
|
US1234758
|
|
US1250379
|
|
US1255939
Feb. 12, 1918
POCKET CALCULATOR
Gilbert Small
|
|
US1257765
|
|
US1260454
|
|
US1279798
|
|
US1291742
|
|
US1306379
|
|
US1321845
|
|
US1322770
|
|
US1329902
Jiro Hemmi
|
|
US1330132
|
|
US1338588
|
|
US1343549
|
|
US1364154
|
|
US1378666
|
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US1378993
|
|
US1382011
|
|
US1383492
|
|
US1383969
|
|
US1387267
|
|
US1398914
|
|
US1404019
|
|
US1404951
|
|
US1405333
|
|
US1411541
|
|
US1418947
|
|
US1423896
|
|
US1424344
|
|
US1425589
|
|
US1426825
|
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US1431409
|
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US1433186
|
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US1435422
|
|
US1437298
|
|
US1439218
|
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US1439936
|
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US1454104
|
|
US1455339
|
|
US1455339
|
|
US1456061
|
|
US1459886
|
|
US1461677
|
|
US1461975
|
|
US1467853
|
|
US1474533
|
|
US1476799
|
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US1482441
|
|
US1484176
|
|
US1487805
|
|
US1488190
|
|
US1488686
|
|
US1525598
|
|
US1525752
|
|
US1527086
|
|
US1532014
|
|
US1533530
|
|
US1541871
|
|
US1553969
|
|
US1554176
|
|
US1558843
|
|
US1560599
|
|
US1568475
|
|
US1571728
|
|
US1572547
|
|
US1574249
|
|
US1579706
|
|
US1581567
|
|
US1588470
|
|
US1596129
|
|
US1597483
|
|
US1598600
|
|
US1599102
|
|
US1599582
|
|
US1599904
|
|
US1602479
|
|
US1605355
|
|
US1605922
|
|
US1609972
|
|
US1615510
|
|
US1623998
|
|
US1632505
|
|
US1645009
|
|
US1653125
|
|
US1655819
|
|
US1659246
|
|
US1659357
|
|
US1661095
|
|
US1667449
|
|
US1668950
|
|
US1671616
|
|
US1674157
|
|
US1678019
|
|
US1691104
|
|
US1692326
|
|
US1713025
|
|
US1735892
|
|
US1737659
|
|
US1742824
|
|
US1777692
|
|
US1786938
|
|
U.S. Patents 1930-1951
|
|
|
US1790569
Jan 27, 1931
SLIDE RULE
Jean Asper
|
|
US1802440
|
|
US1802969
|
|
US1813830
|
|
US1821431
|
|
US1834745
|
|
US1849058
|
|
US1855523
|
|
US1870655
|
|
US1875927
|
|
US1880148
|
|
US1881165
|
|
US1892012
|
|
US1894294
|
|
US1904474
|
|
US1919383
|
|
US1930852
|
|
US1934232
|
|
US1935021
|
|
US1936998
|
|
US1942349
|
|
US1942536
|
|
US1947699
|
|
US1952134
|
|
US1959990
|
|
US1961295
|
|
US1962866
|
|
US1978038
|
|
US1979512
|
|
US1983062
|
|
US1987536
|
|
US1989223
|
|
US2000337
|
|
US2019708
|
|
US2026538
|
|
US2027349
|
|
US2045621
June 30, 1936
Calculating Apparatus
Albert F. Spitzglass, et al.
|
|
US2046397
|
|
US2048819
|
|
US2051502
|
|
US2058280
|
|
US2061853
|
|
US2067068
|
|
US2071195
|
|
US2071416
|
|
US2073421 March 9, 1937 RULE
Joseph Komorous Riverside, Ill.
Parisan Novelty Co.
|
|
US2079464
|
|
US2080857
|
|
US2086502
|
|
US2087446
|
|
US2088395
|
|
US2091039
|
|
US2091661
|
|
US2093124
|
|
US2095215
|
|
US2103332
|
|
US2117155
|
|
US2117413
|
|
US2120878
|
|
US2126431
|
|
US2136169
|
|
US2137630
|
|
US2138879
|
|
US2143559
|
|
US2143892
|
|
USRE20984
|
|
US2147304
|
|
US2153089
|
|
US2156568
|
|
US2158476
|
|
US2161345
|
|
US2165275
|
|
US2168056
|
|
US2170144
|
|
US2173459
|
|
US2177176
|
|
US2185677
|
|
US2190281
|
|
US2193929
|
|
US2203194
|
|
US2207375
|
|
US2209485
|
|
US2215503
|
|
US2221476
|
|
US2221924
|
|
US2225356
|
|
US2230161
|
|
US2233073
|
|
US2235106
|
|
US2238529
|
|
US2244125
|
|
US2247531
|
|
US2250739
|
|
US2264406
|
|
US2265372
|
|
US2268886
|
|
US2274266
|
|
US2275219
|
|
US2283473
|
|
US2284783
|
|
US2285722
|
|
US2289717
|
|
US2294195
|
|
US2301033
|
|
US2294199
|
|
US2295497
|
|
US2301591
|
|
US2307534
|
|
US2309675
|
|
US2313021
|
|
US2326413
|
|
US2328881
|
|
US2331967
|
|
US2334725
|
|
US2335792
|
|
US2339222
|
|
US2341681
|
|
US2342674
|
|
US2343273
|
|
US2344146
|
|
US2353475
|
|
US2358309
|
|
US2358478
|
|
US2358479
|
|
US2369819
|
|
US2373671
|
|
US2375878
|
|
US2377977
|
|
US2379931
|
|
US2381660
|
|
US2382064
|
|
US2385948
|
|
US2385952
|
|
US2387404
|
|
US2392461
|
|
US2393922
|
|
US2395042
|
|
US2403382
|
|
US2403614
|
|
US2404746
|
|
US2405720
|
|
US2406495
|
|
US2407338
|
|
US2410210
|
|
US2411491
|
|
US2415231
|
|
US2415415
|
|
US2418370
|
|
US2418803
|
|
US2418910
|
|
US2421745
|
|
US2422421
|
|
US2422649
|
|
US2422663
|
|
US2423822
|
|
US2424713
|
|
US2425097
|
|
US2426362
|
|
US2426601
|
|
US2429212
|
|
US2430599
|
|
US2432569
|
|
US2434306 Jan. 13, 1948
STATISTICAL SLIDE RULE Kenneth.R.Wood Fort Dix, N.J.
United Stats Army
|
|
US2435133
|
|
US2435705
|
|
US2436352
|
|
US2437722
|
|
US2439025
|
|
US2439209
|
|
US2439413
|
|
US2443158
|
|
US2443882
|
|
US2445008
|
|
US2445464
|
|
US2449954
|
|
US2450668 Oct 5, 1948
CALCULATOR
E.G. Kesling
|
|
US2451784
|
|
US2452417
|
|
US2454157
|
|
US2454987
|
|
US2456676
|
|
US2460558
|
|
US2462339
|
|
US2462823
|
|
US2463067
|
|
US2466883
|
|
US2466983
|
|
US2468582
|
|
US2470495
|
|
US2471491
|
|
US2473876
|
|
US2478096
|
|
US2478547
|
|
US2486748
|
|
US2489030
|
|
US2489790
|
|
US2494291
|
|
US2500460
|
|
US2500924
|
|
US2502300
|
|
US2503398
|
|
US2506103
|
|
US2506176
|
|
US2506299
|
|
US2510391
|
|
US2511270
|
|
US2512458
|
|
US2517590
|
|
US2520208
|
|
US2526408
|
|
US2527734
|
|
US2527776
|
|
US2528010
|
|
US2528518
|
|
US2530047
|
|
US2533489
|
|
US2533954
|
|
US2534695
|
|
US2535119
|
|
US2535374
|
|
US2538502
|
|
US2543313
|
|
US2544224
|
|
US2546243
|
|
US2547955
|
|
US2552201
|
|
US2552383
|
|
US2558646
|
|
US2561263
|
|
US2563512
|
|
US2564616
|
|
US2564991
|
|
US2569202
|
|
US2569454
|
|
US2569466
|
|
US2569505
|
|
US2570642
|
|
US2572811
|
|
US2575288
|
|
US2577785
|
|
US2578705
|
|
U.S. Patents 1952-Present
|
|
|
US2585595
Feb 12, 1952
INTERUPTING CAPACITY CALCULATOR FOR LOW-VOLTAGE ALTERNATING CURRENT DISTRIBUTION SYSTEMS
Nye S. Spencer
|
|
US2585618
|
|
US2591058
|
|
US2593628
|
|
US2594857
April 29, 1952
SLIDE RULE Wilfred J. BOOS Clayton, MO.
Acu-Rule Manufacturing Co. St. Louis , Missouri.
|
|
US2595299
|
|
US2597523
|
|
US2597609
|
|
US2598095
|
|
US2602574
|
|
US2615630
|
|
US2617591
|
|
US2622326
|
|
US2623696
|
|
US2628025
|
|
US2634912
|
|
US2634913
|
|
US2642662
|
|
US2643057
|
|
US2643058
|
|
US2643823
|
|
US2648254
|
|
US2649247
Aug. 18, 1953
Slide Rule
George R. Stibitz, Burlington, Vt
Barber-Coleman Company, Rockford, IL
|
|
US2650762
|
|
US2656978
Oct 27, 1953
IMPROVEMENT IN OR RELATING TO SLIDE RULE
N.E. Nicolet
|
|
US2658671
|
|
US2661900
|
|
US2696348
|
|
US2699894
|
|
US2701096
|
|
US2701687
Feb. 8, 1955
SLIDE RULE Wilfred J. BOOS Webster Groves, MO.
Acu-Rule Manufacturing Co. St. Louis , Missouri.
|
|
US2706081
|
|
US2706600
|
|
US2710142
|
|
US2710143
|
|
US2715779
|
|
US2718063
|
|
US2718357
|
|
US2721032
|
|
US2724552
|
|
US2725194
|
|
US2728523
|
|
US2741432
Apr 10, 1956
SLIDE RULE
Alan Hisey, Univ of Ala.
|
|
US2746682
|
|
US2750671
|
|
US2764348
|
|
US2766654
|
|
US2766931
|
|
US2767915
|
|
US2767919
|
|
US2773415
|
|
US2775404
|
|
US2792992
|
|
US2795168
|
|
US2800279
|
|
US2809787
|
|
US2823857
|
|
US2824374
|
|
US2824696
|
|
US2825504
|
|
US2826361
|
|
US2832539
|
|
US2834546
|
|
US2841888
|
|
US2841889
|
|
US2853236 Sept. 23, 1958
OCEANOGRAPHIC SLIDE RULE FOR DETERMINING SALINITY M.F. Culbertson
|
|
US2874478
|
|
US2893630
|
|
US2898038
|
|
US2942781
|
|
US2955357
|
|
US2959346
|
|
US2959346
|
|
US2970864
|
|
US2973143
|
|
US2977044
|
|
US2991934
|
|
US2998916
|
|
US3005269
|
|
US3006074
|
|
US3008677
|
|
US3013337
|
|
US3016628
|
|
US3023954
|
|
US3027069
|
|
US3029680
|
|
US3037285
June 5, 1962
NAVIGATION INSTRUMENT
H.J.Flowers, Et al.
|
|
US3047221
|
|
US3053447
|
|
US3061190
|
|
US3065903
|
|
US3067932
|
|
US3076596
|
|
US3091389
|
|
US3095144
|
|
US3120342
|
|
US3120923
|
|
US3122314
|
|
US3130905
|
|
US3144990
|
|
US3146942
|
|
US3147915
|
|
US3162363
|
|
US3202352
|
|
US3209999
|
|
US3231189
|
|
US3232531
|
|
US3243110
|
|
US3255961
|
|
US3257075
|
|
US3261548
|
|
US3269018
|
|
US3275235
|
|
US3276684
|
|
US3282500
|
|
US3288362
|
|
US3294318
|
|
US3298604
|
|
US3299768
|
|
US3309017
|
|
US3314602
|
|
US3341117
|
|
US3356297
|
|
US3372869
|
|
US3378195
Apr. 16, 1968
SLIDE RULE PEN
Charles H.Scuh
|
|
US3397838
|
|
US3405868
|
|
US3406901
|
|
US3436012
|
|
US3443750
|
|
US3471084
|
|
US3473732
|
|
US3485447
|
|
US3497678
|
|
US3497681
|
|
US3512709
|
|
US3544768
|
|
US3551647
|
|
US3559881
|
|
US3568922
|
|
US3570757
|
|
US3572583
|
|
US3586844
|
|
US3598306
|
|
US3599598
|
|
US3610758
|
|
US3618591
|
|
US3625092
|
|
US3625092
|
|
US3635398
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