Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4537347 | Bi-directional air diffuser | Brian J. Noll | 1985-08-27 |
| 4509678 | Thermally-powered control mechanism | — | 1985-04-09 |
| RE30953 | Thermally actuated diffuser | Robert L. Vance | 1982-06-01 |
| 4231513 | Thermally actuated diffuser | Robert L. Vance | 1980-11-04 |