Roger Ecoffet

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Gex, FR

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Patents Grantslast 30 patents

Information Patent Grant
Method for fixing a crown screwed on a watch case and watch case eq...
- Patent number 6,719,455
- Issue date Apr 13, 2004
- KS 22 SA
- Roger Ecoffet
- G04 - HOROLOGY
Information Patent Grant
Method for welding hinge pins onto elements intended to form hinged...
- Patent number 5,801,351
- Issue date Sep 1, 1998
- Werthanor SA
- Roger Ecoffet
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Packing
- Patent number 5,519,674
- Issue date May 21, 1996
- Werthanor S.A.
- Alfred Vollert
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Packing
- Patent number 5,340,009
- Issue date Aug 23, 1994
- Werthanor SA
- Alfred Vollert
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
Screw-on crown for timepiece
- Publication number 20040130971
- Publication date Jul 8, 2004
- KS 22 S.A.
- Roger Ecoffet
- G04 - HOROLOGY
Information Patent Application
Method for fixing a crown screwed on a watch case and watch case eq...
- Publication number 20030007426
- Publication date Jan 9, 2003
- Roger Ecoffet
- G04 - HOROLOGY
Information Patent Application
Method for assembling a screwed crown on a watch case
- Publication number 20020067665
- Publication date Jun 6, 2002
- Roger Ecoffet
- G04 - HOROLOGY