Issued Patents 2018
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10119344 | Handling and recovery devices for tubular members and associated methods | Christopher L. Drenth, Anthony Lachance | 2018-11-06 |
| 9932775 | Drill rod having internally projecting portions | Christopher L. Drenth | 2018-04-03 |