Issued Patents 2017
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9839948 | Fume evacuation system | John C. Leisner, Allan T. Hilbert | 2017-12-12 |
| 9821351 | Welding fume extractor | — | 2017-11-21 |
| 9604266 | Airborne component extractor manifold | Adam Joseph Frank, William Maske | 2017-03-28 |