Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4744290 | Pivoted damper blade and pin therefor | — | 1988-05-17 |
| 4377350 | Pivot for damper assembly | — | 1983-03-22 |
| 4355567 | Pivoted blade damper and pin | — | 1982-10-26 |
| 4305427 | Damper assembly | — | 1981-12-15 |
| 4241539 | Seal for sides of pivoted blade structures | — | 1980-12-30 |
| 4193605 | Seal for damper blades | — | 1980-03-18 |