Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11376642 | Fume evacuation system | John C. Leisner, Brian J. Hammers | 2022-07-05 |
| 11141808 | Fume extractor for welding applications | Peter Donald Mehn | 2021-10-12 |
| 9839948 | Fume evacuation system | John C. Leisner, Brian J. Hammers | 2017-12-12 |
| 9623506 | Fume extractor for welding applications | Peter Donald Mehn | 2017-04-18 |