Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4774030 | Evaporative cooler having efficient air transfer system | Peter J. Kinkel | 1988-09-27 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4774030 | Evaporative cooler having efficient air transfer system | Peter J. Kinkel | 1988-09-27 |