Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7718069 | Water treatment process for oilfield produced water | Richard E. Weber, Donald J. Thomas | 2010-05-18 |
| 7520993 | Water treatment process for oilfield produced water | Richard E. Weber, Donald J. Thomas | 2009-04-21 |