Walter Schaeren

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Bienne, CH

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Patents Grantslast 30 patents

Information Patent Grant
Watch case having synthetic material seals between detachable parts...
- Patent number 4,545,688
- Issue date Oct 8, 1985
- Asuag-SSIH
- Claude Ray
- G04 - HOROLOGY
Information Patent Grant
Watch case with interengaging flanged glass and flanged casing ring
- Patent number 4,322,834
- Issue date Mar 30, 1982
- General Watch Co. Ltd.
- Walter Schaeren
- G04 - HOROLOGY