Claude-Eric Leuenberger

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Geneve-Acacias, CH

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Patents Grantslast 30 patents

Information Patent Grant
Wristwatch
- Patent number 6,422,740
- Issue date Jul 23, 2002
- Montres Rolex S. A.
- Claude-Eric Leuenberger
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Automatic initialisation method for at least the date display, a de...
- Patent number 5,305,289
- Issue date Apr 19, 1994
- Montres Rolex S.A.
- Rene Besson
- G04 - HOROLOGY
Information Patent Grant
Concealed display
- Patent number 5,289,437
- Issue date Feb 22, 1994
- Montres Rolex S.A.
- Claude-Eric Leuenberger
- G04 - HOROLOGY
Information Patent Grant
Method for detecting the zero position of a hand of a quartz watch...
- Patent number 5,270,993
- Issue date Dec 14, 1993
- Montres Rolex S.A.
- Rene Besson
- G04 - HOROLOGY
Information Patent Grant
Electronic watch with analog time display
- Patent number 5,095,469
- Issue date Mar 10, 1992
- Montres Rolex S.A.
- Claude-Eric Leuenberger
- G04 - HOROLOGY