Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11268706 | Photovoltaic-assisted heat pump water heater system and method | Danny S. Parker | 2022-03-08 |
| 10852033 | Hot water tank insulation system and method with flexible insulation top | Danny S. Parker | 2020-12-01 |