Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6695046 | Variable speed fan motor control for forced air heating/cooling system | Walter William Bowman | 2004-02-24 |
| 6684944 | Variable speed fan motor control for forced air heating/cooling system | Daniel B. Steffen | 2004-02-03 |