Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11758701 | Power supply fan management | Lee Roy Mantell, Roger C. Williamson | 2023-09-12 |
| 10939593 | Power supply fan management | Lee Roy Mantell, Roger C. Williamson | 2021-03-02 |
| 9908196 | Variable switching frequency power supply plasma cutters | Philip K. Higgins, John W. Hamer | 2018-03-06 |