Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10965147 | Solar charging of multiple battery banks | Robert W. Doane | 2021-03-30 |
| 10899192 | Tractor trailer refrigeration unit | Gerald Larson, Robert W. Doane, Philip R. Pierce, Stephen Lasher | 2021-01-26 |