-
-
3902450
-
Patent number 3,902,450
-
Issue date Sep 2, 1975
-
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
-
3317130
-
Patent number 3,317,130
-
Issue date May 2, 1967
-
G01 - MEASURING TESTING
-
3162173
-
Patent number 3,162,173
-
Issue date Dec 22, 1964
-
G01 - MEASURING TESTING
-
3138137
-
Patent number 3,138,137
-
Issue date Jun 23, 1964
-
G01 - MEASURING TESTING
-
3086494
-
Patent number 3,086,494
-
Issue date Apr 23, 1963
-
G01 - MEASURING TESTING
-
3046931
-
Patent number 3,046,931
-
Issue date Jul 31, 1962
-
G01 - MEASURING TESTING
-
3045638
-
Patent number 3,045,638
-
Issue date Jul 24, 1962
-
G01 - MEASURING TESTING
-
2999478
-
Patent number 2,999,478
-
Issue date Sep 12, 1961
-
G01 - MEASURING TESTING
-
2901998
-
Patent number 2,901,998
-
Issue date Sep 1, 1959
-
G06 - COMPUTING CALCULATING COUNTING
-
2829538
-
Patent number 2,829,538
-
Issue date Apr 8, 1958
-
G05 - CONTROLLING REGULATING
-
2827872
-
Patent number 2,827,872
-
Issue date Mar 25, 1958
-
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
-
2794412
-
Patent number 2,794,412
-
Issue date Jun 4, 1957
-
G01 - MEASURING TESTING
-
2707931
-
Patent number 2,707,931
-
Issue date May 10, 1955
-
G01 - MEASURING TESTING
-
2700912
-
Patent number 2,700,912
-
Issue date Feb 1, 1955
-
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
-
2678020
-
Patent number 2,678,020
-
Issue date May 11, 1954
-
H03 - BASIC ELECTRONIC CIRCUITRY
-
2650561
-
Patent number 2,650,561
-
Issue date Sep 1, 1953
-
B64 - AIRCRAFT AVIATION COSMONAUTICS
-
2512770
-
Patent number 2,512,770
-
Issue date Jun 27, 1950
-
G05 - CONTROLLING REGULATING
-
2467425
-
Patent number 2,467,425
-
Issue date Apr 19, 1949
-
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
-
2356914
-
Patent number 2,356,914
-
Issue date Aug 29, 1944
-
G06 - COMPUTING CALCULATING COUNTING
-
2209670
-
Patent number 2,209,670
-
Issue date Jul 30, 1940
-
G01 - MEASURING TESTING
-
2155101
-
Patent number 2,155,101
-
Issue date Apr 18, 1939
-
H03 - BASIC ELECTRONIC CIRCUITRY
-
2050555
-
Patent number 2,050,555
-
Issue date Aug 11, 1936
-
G04 - HOROLOGY
-
1966958
-
Patent number 1,966,958
-
Issue date Jul 17, 1934
-
G04 - HOROLOGY
-
1848815
-
Patent number 1,848,815
-
Issue date Mar 8, 1932
-
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
-
1834272
-
Patent number 1,834,272
-
Issue date Dec 1, 1931
-
H03 - BASIC ELECTRONIC CIRCUITRY
-
1797004
-
Patent number 1,797,004
-
Issue date Mar 17, 1931
-
G07 - CHECKING-DEVICES
-
1746133
-
Patent number 1,746,133
-
Issue date Feb 4, 1930
-
G01 - MEASURING TESTING
-
1724432
-
Patent number 1,724,432
-
Issue date Aug 13, 1929
-
G01 - MEASURING TESTING
-
1689405
-
Patent number 1,689,405
-
Issue date Oct 30, 1928
-
H03 - BASIC ELECTRONIC CIRCUITRY