Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7681631 | Automatic false rotary | Jim Wiens, Michael Hayes | 2010-03-23 |
| 7370707 | Method and apparatus for handling wellbore tubulars | Gary McDaniel, Patrick Dean Cummins, Troy F. Hill, Tracy J. Cummins, Doyle Frederic Boutwell, Jr. +1 more | 2008-05-13 |
| 7314090 | Automatic false rotary | Jim Wiens, Michael Hayes | 2008-01-01 |