Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4484889 | Installations for processing a product in a gas medium | Paul Marchal | 1984-11-27 |
| 4204340 | Installation for treating a product in a gaseous medium | Paul Marchal | 1980-05-27 |