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| Patents for G04C 3 - Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means (4,122) |
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| 04/06/1976 | US3949303 Time controlled switching arrangement for two timer radio receiver | | 04/06/1976 | US3948037 Wrist position-actuatable switch | | 04/06/1976 | US3948036 Electronic timepiece | | 03/23/1976 | US3946173 Acceleration/deceleration actuating mechanism for wrist instruments | | 03/23/1976 | US3945193 Battery holder | | 03/23/1976 | US3945192 Gear enclosure for clocks | | 03/23/1976 | US3945191 Electronic timepiece having complementary electro-optical and electro-mechanical displays | | 03/23/1976 | US3945190 Switch mechanism for electronic timepiece | | 03/16/1976 | US3944030 Pneumatic time-limiting device | | 03/16/1976 | US3943698 Rotor for electronic wristwatch step motor | | 03/16/1976 | US3943697 Electronic watch | | 03/16/1976 | US3943695 Quartz crystal controlled timekeeping apparatus | | 02/24/1976 | US3939644 Circuit arrangement for controlling the running of a quartz-controlled electric clock | | 02/10/1976 | US3938066 Reed switches and process for making them | | 02/10/1976 | US3937117 Composite tuning fork and method of making same | | 02/10/1976 | US3937003 Electric clock | | 02/10/1976 | US3937002 Solid state, battery operated electronic watch having arm-actuated battery switch | | 02/10/1976 | US3937001 Watch movement driven by a spring and regulated by an electronic circuit | | 02/03/1976 | US3935701 Wristwatch with a time display control switch means | | 02/03/1976 | US3935700 Switching mechanism for electronic watch electro-optic display | | 01/27/1976 | US3934403 Fixation of double conducting hairspring | | 01/27/1976 | US3934401 Switch for electronic watch |
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