Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D814010 | Condenser exhaust hood | Derek W. Schrock | 2018-03-27 |
| D799019 | Condenser exhaust hood | Derek W. Schrock | 2017-10-03 |
| 4395730 | Automatic color-temperature compensation device | — | 1983-07-26 |
| 4366425 | Timer-controlled speed changing device for electric fans | — | 1982-12-28 |