Siegfried Grau

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Pforzheim, DE

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Patents Grantslast 30 patents

Information Patent Grant
Perpetual calendar for a timepiece
- Patent number 7,027,361
- Issue date Apr 11, 2006
- Timex Group B.V.
- Wolfgang Burkhardt
- G04 - HOROLOGY
Information Patent Grant
Mode selecting assembly for a timepiece
- Patent number 6,896,403
- Issue date May 24, 2005
- Timex Group B.V.
- Siegfried Grau
- G04 - HOROLOGY
Information Patent Grant
Setting assembly for an analog timepiece
- Patent number 6,773,157
- Issue date Aug 10, 2004
- Timex Group B.V.
- Siegfried Grau
- G04 - HOROLOGY
Information Patent Grant
Horological movement having guide means for a control member such a...
- Patent number 5,349,574
- Issue date Sep 20, 1994
- ETA S.A. Fabriques d'Ebauches
- Jakob Edwin
- G04 - HOROLOGY

Patents Applicationslast 30 patents

Information Patent Application
Wearable Device with Moon Phase Display
- Publication number 20140247699
- Publication date Sep 4, 2014
- TIMEX GROUP USA, INC.
- BORIS SEMBRITZKI
- G04 - HOROLOGY
Information Patent Application
World Time Timepiece
- Publication number 20130322218
- Publication date Dec 5, 2013
- Wolfgang Burkhardt
- G04 - HOROLOGY
Information Patent Application
Perpetual calendar for a timepiece
- Publication number 20050105398
- Publication date May 19, 2005
- Wolfgang Burkhardt
- G04 - HOROLOGY