Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6591788 | Rooftop water heater | Dennis R. Hughes, Kevin Field, Randy T. Meyer | 2003-07-15 |
| 6532906 | Inlet heat recovery module for water heater | Ray O. Knoeppel | 2003-03-18 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6591788 | Rooftop water heater | Dennis R. Hughes, Kevin Field, Randy T. Meyer | 2003-07-15 |
| 6532906 | Inlet heat recovery module for water heater | Ray O. Knoeppel | 2003-03-18 |