Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7915202 | Clay control additive for wellbore fluids | Clayton Smith, Darin OSWALD | 2011-03-29 |
| 7740071 | Clay control additive for wellbore fluids | Clayton Smith, Darin OSWALD | 2010-06-22 |