| Patent No. | Patent Title: |
| 4276633 | Self-luminescent light source for liquid crystal display watch |
| 4276627 | Module structure for electronic digital timepiece |
| 4276632 | Hatch locking mechanism for the battery compartment of a wristwat... |
| 4276625 | Bell-striking clock |
| 4272841 | Timepiece |
| 4271495 | Electronic clock with a chime system |
| 4259737 | Electronic watch |
| 4257114 | Electronic timepiece |
| 4257113 | Electromechanical calendar timepiece |
| 4255801 | Electronic watch |
| 4255805 | Data introducing arrangement |
| 4254488 | Analog electronic timepiece |
| 4253171 | Electromechanical character display |
| 4253173 | Dual display synchronization system for a timepiece |
| 4253177 | Apparatus for manual adjustment of a clock |
| 4251878 | Switching device for battery powered alarm clock |
| 4251877 | Clock, especially striker clock |
| 4250572 | Watch module construction |
| 4250523 | Electronic timepiece |
| 4250573 | Digital alarm wristwatch |
| 4247931 | Slip mechanism for a timepiece |
| 4247933 | Time striking device for timepiece |
| 4247927 | Digital electronic timepiece |
| 4246650 | Multi-function electronic timepiece |
| 4243329 | Watch movement construction |
| 4244043 | Frequency division system |
| 4244041 | Electronic timepiece with an alarm device |
| 4240249 | Instantaneous calendar device for timepieces |
| 4236239 | Electronic timepiece comprising two different displays |
| 4236242 | Dual timer device |
| 4236238 | Electronic digital timepiece having a stopwatch function and a ti... |
| 4236240 | Watch module construction |
| 4234948 | Watchglass fixing structure |
| 4234946 | Electronic wristwatches |
| 4233679 | Adjustable piezoelectric transducer for a watch |
| 4233681 | Electronic timepiece |
| 4232382 | Incrementing signal hold circuit for a clock/calculator |
| 4231090 | Electronic game of adroitness incorporated in an electronic watch |
| 4228648 | Hour hand corrector for dual display timepiece |
| 4226081 | Electronic timepiece |
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