Peter Busch

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Fenin, CH

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Patents Grantslast 30 patents

Information Patent Grant
Time-keeping device, especially a quartz-controlled clock
- Patent number 4,417,820
- Issue date Nov 29, 1983
- Braun Aktiengesellschaft
- Peter Busch
- G04 - HOROLOGY
Information Patent Grant
Microprocessor driven digital display alarm clock
- Patent number 4,415,273
- Issue date Nov 15, 1983
- Braun Aktiengesellschaft
- Harald Hoffman
- G04 - HOROLOGY