Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11118711 | Rotary swivel joint | Richard D. Dresang, Kevin Witt, Daniel M. Olson | 2021-09-14 |
| 10947715 | Root cutter collar with quick changing skids | Richard D. Dresang, Kevin Witt | 2021-03-16 |