Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7975780 | Adjustable downhole motors and methods for use | Joachim Siher | 2011-07-12 |
| 7918290 | Systems and methods for protecting drill blades in high speed turbine drills | — | 2011-04-05 |