Jean-Marc Donjon

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Grande Riviere, FR

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Patents Grantslast 30 patents

Information Patent Grant
Elastic hinge element for spectacles frame
- Patent number 8,978,204
- Issue date Mar 17, 2015
- Mazzucchelli International B.V.
- Christophe Hotellier
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
ELASTIC HINGE ELEMENT FOR SPECTACLES FRAME
- Publication number 20110185538
- Publication date Aug 4, 2011
- COMOTEC S.A.
- Christophe Hotellier
- G02 - OPTICS