Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4640458 | Method of producing hot air and hot water for sanitary purposes and apparatus for carrying out the said method | Philippe Cassagne, Sylvain Gicquel, Roland Junet | 1987-02-03 |
| 4638943 | Method of heating any building or room and apparatus for carrying out the said method | Philippe Cassagne, Bernard-Frederic Dore, Sylvain Gicquel | 1987-01-27 |