Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5794723 | Drilling rig | William V. Dycus | 1998-08-18 |
| 4775774 | Plasma arc welding apparatus | — | 1988-10-04 |
| 4692584 | Gas control system for a plasma arc welding apparatus | — | 1987-09-08 |
| 4297771 | Pivoting foot clamp and mounting frame | Ronald B. Anderson, Terrance C. Maki | 1981-11-03 |
| 4266444 | High-low speed rotary drive mechanism | Ronald B. Anderson, Walter W. Svendsen, Gary H. Beckley | 1981-05-12 |