Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4531510 | Bidirectional thermal syphon valve, installation for the production and storage of heat or cold comprising such a thermal syphon valve, and various uses | Roland Barthez, Rene Bogo | 1985-07-30 |