Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6289977 | Heat exchanger, and heat exchanging beam, and related welding methods and production | Michel Claudel, Roland Guidat | 2001-09-18 |
| 5695007 | Heat exchanger device and method for cooling the inner chamber thereof | Roland Guidat | 1997-12-09 |