Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4217317 | Cooling tower with vertical-axis fan | — | 1980-08-12 |
| 4185780 | Powder-distributing device | Alain Duchene, Jean-Claude Malet | 1980-01-29 |
| 4181690 | Ventilation and air conditioning unit | — | 1980-01-01 |