Stephan Kussmaul

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Buren an der Aare, CH

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Patents Grantslast 30 patents

Information Patent Grant
Mechanical watch having constant spring force
- Patent number 8,550,701
- Issue date Oct 8, 2013
- Eterna AG Uhrenfabrik
- Patrick Kury
- G04 - HOROLOGY

Patents Applicationslast 30 patents

Information Patent Application
Mechanical Watch Having Constant Spring Force
- Publication number 20100254229
- Publication date Oct 7, 2010
- ETERNA AG UHRENFABRIK
- Patrick Kury
- G04 - HOROLOGY