Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5020320 | Engine driven heat pump system | Sherwood G. Talbert | 1991-06-04 |
| 4470405 | Method and apparatus for controlling insolation in a building | D. Karl Landstrom, Sherwood G. Talbert, William H. Wilkinson, George Stickford | 1984-09-11 |