Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5198037 | Method for unclogging a pipe carrying dangerous substances | Alain Guyonnet | 1993-03-30 |
| 5141378 | Mobile intervention chamber providing access to an installation placed in an active cell | Patrice Beaumont, Armand Lecourtois | 1992-08-25 |