Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11454430 | DC system controls | Scott Brown, Tor Hartmann, Donald McGraw | 2022-09-27 |
| 10724761 | Modular heat transfer units | Donald McGraw, Scott Brown, Torsten Hartmann | 2020-07-28 |
| 10648711 | DC refrigeration system controls | Scott Brown, Tor Hartmann, Donald McGraw | 2020-05-12 |