Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE34739 | Seal retaining configuration for humidifier | Kirk A. Nelson | 1994-09-27 |
| 5199486 | Coated heat exchanger for humidifier | Rick D. Balmer, Kirk A. Nelson | 1993-04-06 |
| 5099823 | Seal retaining configuration for humidifier | Kirk A. Nelson | 1992-03-31 |
| 4879902 | Level control structure with probes | — | 1989-11-14 |
| 4387871 | Insulating module including a heater element support | — | 1983-06-14 |
| 4299364 | Insulating module including a heater element support | — | 1981-11-10 |