Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4221259 | Process for storing calories | Michel Perrut, Patrick Valentin | 1980-09-09 |
| 4201193 | Solar energy absorbing roof | — | 1980-05-06 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4221259 | Process for storing calories | Michel Perrut, Patrick Valentin | 1980-09-09 |
| 4201193 | Solar energy absorbing roof | — | 1980-05-06 |