Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5725338 | Drill bit having a hemispherical head with an evolutive cut | Christian Thierry Daude, Daniel Marcel Eugene Lavocat, Jean-Pierre Leboulanger, Michel Lebrun, Francois Masson +2 more | 1998-03-10 |
| 5263823 | Gas turbine engine impeller having an annular collar platform | Christophe Jean Roger Champenois, Christophe G. J. Gourio, Gerard E. A. Jourdain, Gilles A. Le Rumeur, Didier Merville +2 more | 1993-11-23 |