Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8479614 | Internally retained jaw roller pin | Murray Gerwing, Jeremy J. Vaughan, Kelvin Isaacson | 2013-07-09 |
| 8453541 | Reduced weight power tong for turning pipe | Dan Dagenais, Murray Gerwing | 2013-06-04 |
| 8267448 | Cam arm actuated backup tong | Dan Dagenais, Murray Gerwing | 2012-09-18 |
| 8234957 | Internally retained jaw roller pin | Murray Gerwing, Jeremy J. Vaughan, Kelvin Isaacson | 2012-08-07 |