Issued Patents All Time
Showing 26–26 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8422870 | Residential heat pump water heater | Jonathan D. Nelson, Craig lung-Pei Tsai, Jeffrey Alan Kern, Michael Thomas Beyerle, Derek Lee Watkins +2 more | 2013-04-16 |
Showing 26–26 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8422870 | Residential heat pump water heater | Jonathan D. Nelson, Craig lung-Pei Tsai, Jeffrey Alan Kern, Michael Thomas Beyerle, Derek Lee Watkins +2 more | 2013-04-16 |