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G04C17/0083
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PHYSICS
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Horology
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ELECTROMECHANICAL CLOCKS OR WATCHES
G04C17/00
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G04C17/0083
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Patents Grants
last 30 patents
Information
Patent Grant
Automatic calendar
Patent number
4,031,642
Issue date
Jun 28, 1977
Aoki; Motomu
Motomu Aoki
G04 - HOROLOGY
Information
Patent Grant
3810322
Patent number
3,810,322
Issue date
May 14, 1974
G04 - HOROLOGY
Information
Patent Grant
3766728
Patent number
3,766,728
Issue date
Oct 23, 1973
G04 - HOROLOGY
Information
Patent Grant
3328954
Patent number
3,328,954
Issue date
Jul 4, 1967
G04 - HOROLOGY
Information
Patent Grant
3274717
Patent number
3,274,717
Issue date
Sep 27, 1966
G04 - HOROLOGY
Information
Patent Grant
2927418
Patent number
2,927,418
Issue date
Mar 8, 1960
G04 - HOROLOGY
Information
Patent Grant
2595467
Patent number
2,595,467
Issue date
May 6, 1952
G04 - HOROLOGY
Information
Patent Grant
2458092
Patent number
2,458,092
Issue date
Jan 4, 1949
G04 - HOROLOGY
Information
Patent Grant
2026882
Patent number
2,026,882
Issue date
Jan 7, 1936
G04 - HOROLOGY
Information
Patent Grant
1992508
Patent number
1,992,508
Issue date
Feb 26, 1935
G04 - HOROLOGY
Information
Patent Grant
968319
Patent number
968,319
Issue date
Aug 23, 1910
G04 - HOROLOGY
Patents Applications
last 30 patents