Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4770162 | Solar energy collecting system | Paul M. L'Esperance | 1988-09-13 |
| 4604990 | Collector means for solar energy collecting system | Paul M. L'Esperance | 1986-08-12 |
| 4523575 | Collector means for solar energy collecting system | Paul M. L'Esperance | 1985-06-18 |
| 4465057 | Collector means for solar energy collecting system | Paul M. L'Esperance | 1984-08-14 |
| 4369555 | Yarn processing apparatus | — | 1983-01-25 |
| 4235000 | Method for straightening textured yarn | — | 1980-11-25 |