Raynald M. G. Longuet

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Le Gros Theil, FR

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Patents Grantslast 30 patents

Information Patent Grant
Machine for grinding of optical glasses
- Patent number 5,882,247
- Issue date Mar 16, 1999
- Briot International
- Raynald Marcel Gaston Longuet
- B24 - GRINDING POLISHING
Information Patent Grant
Glasses frame carrier for a reproducing machine
- Patent number 4,930,952
- Issue date Jun 5, 1990
- Briot International
- Michel J. M. Lecerf
- B24 - GRINDING POLISHING