Raynald Gaston Marcel Longuet

Person

Amfreville La Campane, FR

People

Patents Grantslast 30 patents

Information Patent Grant
Spectacles frame holder
- Patent number 5,910,831
- Issue date Jun 8, 1999
- Briot International
- Jean-Jacques Bernard Joseph Videcoq
- B24 - GRINDING POLISHING
Information Patent Grant
Grinding machine for ophthalmic glasses
- Patent number 5,759,084
- Issue date Jun 2, 1998
- Buchmann Optical Engineering
- Michel Jean Marcel Lecerf
- B24 - GRINDING POLISHING
Information Patent Grant
Frame holder for prescription glasses
- Patent number 5,554,067
- Issue date Sep 10, 1996
- Buchmann Optical Engineering
- Michel J. M. Lecerf
- B24 - GRINDING POLISHING
Information Patent Grant
Automatic machine for grinding and bevelling ophthalmic glasses
- Patent number 5,371,974
- Issue date Dec 13, 1994
- Buchmann Optical Engineering
- Michel J. M. Lecerf
- B24 - GRINDING POLISHING
Information Patent Grant
Device for mounting an adapter on a lens blank
- Patent number 5,263,285
- Issue date Nov 23, 1993
- Buchmann Optical Engineering
- Jean-Pierre M. F. Langlois
- B24 - GRINDING POLISHING
Information Patent Grant
Device for regulating the grinding weight for an ophthalmic glass g...
- Patent number 5,022,187
- Issue date Jun 11, 1991
- Briot International
- Raynald G. M. Longuet
- B24 - GRINDING POLISHING
Information Patent Grant
Device for reducing splashing of liquid in a grinding machine
- Patent number 4,910,925
- Issue date Mar 27, 1990
- Briot International
- Raynald G. M. Longuet
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Grinding machines
- Patent number 4,908,991
- Issue date Mar 20, 1990
- Briot International
- Raynald G. M. Longuet
- B24 - GRINDING POLISHING

Raynald Gaston Marcel Longuet

Person

Patents Grantslast 30 patents

Spectacles frame holder

Grinding machine for ophthalmic glasses

Frame holder for prescription glasses

Automatic machine for grinding and bevelling ophthalmic glasses

Device for mounting an adapter on a lens blank

Device for regulating the grinding weight for an ophthalmic glass g...

Device for reducing splashing of liquid in a grinding machine

Grinding machines