| Patents for G04B 35 - Adjusting the gear train, e.g. the backlash of the arbors, depth of meshing of the gears (103) | |
|---|---|
| 03/1980 | |
| 03/11/1980 | US4192136 Adjustment of readout members in a digital clock |
| 03/1979 | |
| 03/13/1979 | US4143510 Analogue electronic timepiece with setting means |
| 07/1978 | |
| 07/04/1978 | US4098072 Digital clock gearing |
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