Issued Patents 1997
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5659941 | Process for manufacturing a light structure through the expansion of a metallic tank in an armored corrugated pipe | — | 1997-08-26 |
| 5619878 | Method and device for manufacturing a corrugated metal pipe | Francois Grosjean | 1997-04-15 |
| 5605507 | Mechanical linking device made of wound fiber-reinforced resin manufacturing process | Francois Grosjean, Lucien Montabord, Roland Bernollin | 1997-02-25 |
| 5597431 | Device and method for the series production of fiber reinforced resin parts | Francois Grosjean, Bernard Dewimille | 1997-01-28 |