Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4850427 | Device for controlling overheating and scaling in an apparatus for heating a fluid and apparatus equipped with such a device | Christophe Marvillet, Patrick Mayoussier, Michel Amandjules, Jean-Michel Porcher | 1989-07-25 |