Michel Roche

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Patents Grantslast 30 patents

Information Patent Grant
Drawing machine having automatically replaced writing members and a...
- Patent number 4,683,476
- Issue date Jul 28, 1987
- Benson S.A.
- Alphonse Ferrari
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Grant
Pencil device for plotting machine
- Patent number 4,540,995
- Issue date Sep 10, 1985
- Benson S.A.
- Michel Roche
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES