Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5555742 | Evaporative cooler with scrubber and enthalpic heating system | — | 1996-09-17 |
| 5361600 | Evaporative cooler with scrubber system | — | 1994-11-08 |
| 4815297 | Enthalpic evaporative air conditioning device with heating | — | 1989-03-28 |
| 4658600 | Enthalpic evaporative air conditioning device with heating | — | 1987-04-21 |
| 4308222 | Evaporative cooler | Richard J. Goettel | 1981-12-29 |