Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9206646 | Methods and apparatus for drilling wells | Tommy Johnson | 2015-12-08 |
| 8763842 | Well fluid additive systems, well fluids therefrom, and methods of making using such systems | Tommy Johnson | 2014-07-01 |