Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11156383 | High efficiency heater with condensate collection and humidification | Bruce Dresner, David M. Christensen | 2021-10-26 |
| 10072872 | High efficiency heater with condensate collection and humidification | Bruce Dresner, David M. Christensen | 2018-09-11 |