Patents per Year
Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 6929452 | Plenum fan banding | Brent Stockton | 2005-08-16 | $1,709,000 |
| 6792767 | Controls for air conditioner | David Knebel | 2004-09-21 | $1,937,000 |
| 5826641 | Air conditioner with heat wheel | Henry C. Bierwirth | 1998-10-27 | $717,000 |