Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7228696 | Hybrid heating and cooling system | Rex K. Ambs, Thomas G. Kiessel, Dennis L. Weston | 2007-06-12 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7228696 | Hybrid heating and cooling system | Rex K. Ambs, Thomas G. Kiessel, Dennis L. Weston | 2007-06-12 |