Fran.cedilla.ois Grosjean

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Versailles, FR

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Patents Grantslast 30 patents

Information Patent Grant
Method and device for manufacturing a corrugated metal pipe
- Patent number 5,619,878
- Issue date Apr 15, 1997
- Institut Francais du Petrole
- Fran.cedilla.ois Grosjean
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Device and method for the series production of fiber reinforced res...
- Patent number 5,597,431
- Issue date Jan 28, 1997
- Institut Francais du Petrole
- Fran.cedilla.ois Grosjean
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL