Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8592350 | Surfactant additives used to retain producibility while drilling | Ryan van Zanten, David Horton | 2013-11-26 |
| 8148303 | Surfactant additives used to retain producibility while drilling | Ryan van Zanten, David Horton | 2012-04-03 |