Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6666040 | Efficient water source heat pump with hot gas reheat | Danny R. Hall | 2003-12-23 |
| 5682754 | Method and apparatus for controlling swimming pool room air and water temperatures | — | 1997-11-04 |