Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6718968 | Enclosure for an infrared heater | Robert Cooley, Gary A. Smith | 2004-04-13 |
| 6202935 | Combined potable water heater and hydronic heating system | Marc W. Akkala, Frank A. Mueller, Dennis R. Hughes, Kevin Field, Ray O. Knoeppel +1 more | 2001-03-20 |