Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6070500 | Rotatable die holder | Darrall Rigby | 2000-06-06 |
| 6003412 | Back-up tong body | Darrall Rigby | 1999-12-21 |
| 4350062 | Power tong | Garth M. Farr, Terence D. McCoy | 1982-09-21 |
| 4273010 | Power tong | Garth M. Farr, Terence D. McCoy | 1981-06-16 |