Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7628209 | Tubing driven progressing cavity pump and method of pumping well fluid from a well | Douglas W. Berry, Bruce Proctor | 2009-12-08 |
| 7431095 | Non-tubing deployed well artificial lift system | David L. Olson, Bruce Proctor, Doug Berry | 2008-10-07 |