Claude Coyon

Follow

Person

Montbard, FR

People

Patents Grantslast 30 patents

Information Patent Grant
Expanded perforated sheet having integral unexpanded sides and meth...
- Patent number 4,594,280
- Issue date Jun 10, 1986
- La Metal Deploye
- Claude Coyon
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...