Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4934418 | Process and equipment for supplying supercritical CO.sub.2 | Michel Percy du Sert, Serge Frejaville | 1990-06-19 |
| 4924643 | Method and apparatus for the treatment of work pieces by shot blasting | Claude Gibot | 1990-05-15 |