Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5823004 | Outdoor fan control for part load efficiency | William G. Hansen | 1998-10-20 |
| 5276630 | Self configuring controller | Joe M. Baldwin, Richard A. Bishop, William G. Hansen | 1994-01-04 |