Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5259445 | Control for dual heating system including a heat pump and furnace | Robert G. Pratt, Lawrence A. Kasik | 1993-11-09 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5259445 | Control for dual heating system including a heat pump and furnace | Robert G. Pratt, Lawrence A. Kasik | 1993-11-09 |