Issued Patents 2016
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9381593 | Engine driven welder-generator with chopper circuit | Randall J. DuVal | 2016-07-05 |
| 9266183 | Welder generator engine speed control | Randall J. DuVal, Nathan Joe Jochman, Christopher J. Wierschke, John C. Leisner | 2016-02-23 |