Roger Metzger

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Aarau, CH

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Patents Grantslast 30 patents

Information Patent Grant
Timepiece with a date mechanism comprising two superposed date rings
- Patent number 6,934,221
- Issue date Aug 23, 2005
- Eta Sa Manufacture Horlogère Suisse
- Roger Willemin
- G04 - HOROLOGY
Information Patent Grant
Timepiece with a date mechanism comprising two superposed date rings
- Patent number 6,925,032
- Issue date Aug 2, 2005
- Eta Sa Manufacture Horlogère Suisse
- Roger Willemin
- G04 - HOROLOGY

Patents Applicationslast 30 patents

Information Patent Application
TIMEPIECE WITH A DATE MECHANISM COMPRISING TWO SUPERPOSED DATE RINGS
- Publication number 20050111302
- Publication date May 26, 2005
- ETA SA Manufacture Horlogere Suisse
- Roger Willemin
- G04 - HOROLOGY
Information Patent Application
TIMEPIECE WITH A DATE MECHANISM COMPRISING TWO SUPERPOSED DATE RINGS
- Publication number 20050111303
- Publication date May 26, 2005
- ETA SA Manufacture Horlogere Suisse
- Roger Willemin
- G04 - HOROLOGY