Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4308856 | Protection against the freezing of solar collectors | Lucien Besse | 1982-01-05 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4308856 | Protection against the freezing of solar collectors | Lucien Besse | 1982-01-05 |