Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4492092 | Combination refrigerant circuit and hot water preheater | Michael E. Smorol, Theodore L. Woollis | 1985-01-08 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4492092 | Combination refrigerant circuit and hot water preheater | Michael E. Smorol, Theodore L. Woollis | 1985-01-08 |