Peter Riis

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Deisslingen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Autonomous radio-controlled timepiece
- Patent number 5,144,599
- Issue date Sep 1, 1992
- Junghans Uhren GmbH
- Wilfried Blaich
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Watch having adjustable date and day indicators
- Patent number 4,244,038
- Issue date Jan 6, 1981
- Gebruder Junghans GmbH
- Wolfgang Ganter
- G04 - HOROLOGY