Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6532906 | Inlet heat recovery module for water heater | Marc W. Akkala | 2003-03-18 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6532906 | Inlet heat recovery module for water heater | Marc W. Akkala | 2003-03-18 |