Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9562404 | Well tubing hanger adapted for use with power tongs and method of using same | Colin James Nielsen Daigle | 2017-02-07 |
| 9181996 | Device for reducing rod string backspin in progressive cavity pump | Dwayne Darryl Commandeur, Frank Lay | 2015-11-10 |