-
3577085
-
Patent number 3,577,085
-
Issue date May 4, 1971
-
G06 - COMPUTING CALCULATING COUNTING
-
3482316
-
Patent number 3,482,316
-
Issue date Dec 9, 1969
-
G01 - MEASURING TESTING
-
3480948
-
Patent number 3,480,948
-
Issue date Nov 25, 1969
-
H04 - ELECTRIC COMMUNICATION TECHNIQUE
-
3467960
-
Patent number 3,467,960
-
Issue date Sep 16, 1969
-
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
-
3465331
-
Patent number 3,465,331
-
Issue date Sep 2, 1969
-
G05 - CONTROLLING REGULATING
-
3459892
-
Patent number 3,459,892
-
Issue date Aug 5, 1969
-
H04 - ELECTRIC COMMUNICATION TECHNIQUE
-
3408484
-
Patent number 3,408,484
-
Issue date Oct 29, 1968
-
G06 - COMPUTING CALCULATING COUNTING
-
3400391
-
Patent number 3,400,391
-
Issue date Sep 3, 1968
-
G05 - CONTROLLING REGULATING
-
3396380
-
Patent number 3,396,380
-
Issue date Aug 6, 1968
-
H04 - ELECTRIC COMMUNICATION TECHNIQUE
-
3396384
-
Patent number 3,396,384
-
Issue date Aug 6, 1968
-
G06 - COMPUTING CALCULATING COUNTING
-
3380048
-
Patent number 3,380,048
-
Issue date Apr 23, 1968
-
H03 - BASIC ELECTRONIC CIRCUITRY
-
3310799
-
Patent number 3,310,799
-
Issue date Mar 21, 1967
-
H04 - ELECTRIC COMMUNICATION TECHNIQUE
-
3298018
-
Patent number 3,298,018
-
Issue date Jan 10, 1967
-
H03 - BASIC ELECTRONIC CIRCUITRY
-
3217148
-
Patent number 3,217,148
-
Issue date Nov 9, 1965
-
G08 - SIGNALLING
-
3189733
-
Patent number 3,189,733
-
Issue date Jun 15, 1965
-
H04 - ELECTRIC COMMUNICATION TECHNIQUE
-
3185820
-
Patent number 3,185,820
-
Issue date May 25, 1965
-
G01 - MEASURING TESTING
-
3183502
-
Patent number 3,183,502
-
Issue date May 11, 1965
-
G06 - COMPUTING CALCULATING COUNTING
-
3182181
-
Patent number 3,182,181
-
Issue date May 4, 1965
-
G06 - COMPUTING CALCULATING COUNTING
-
3178562
-
Patent number 3,178,562
-
Issue date Apr 13, 1965
-
G01 - MEASURING TESTING
-
3098969
-
Patent number 3,098,969
-
Issue date Jul 23, 1963
-
H03 - BASIC ELECTRONIC CIRCUITRY
-
2902542
-
Patent number 2,902,542
-
Issue date Sep 1, 1959
-
H04 - ELECTRIC COMMUNICATION TECHNIQUE
-
2892186
-
Patent number 2,892,186
-
Issue date Jun 23, 1959
-
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
-
2752569
-
Patent number 2,752,569
-
Issue date Jun 26, 1956
-
H03 - BASIC ELECTRONIC CIRCUITRY
-
2632147
-
Patent number 2,632,147
-
Issue date Mar 17, 1953
-
H03 - BASIC ELECTRONIC CIRCUITRY
-
2602158
-
Patent number 2,602,158
-
Issue date Jul 1, 1952
-
H03 - BASIC ELECTRONIC CIRCUITRY