Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7864062 | Apparatus and method for detecting a change in a specific gravity of a fluid | Michael Hemann, Steven Hoopes, Jerome P. Kovach | 2011-01-04 |
| 7802627 | Remotely operated selective fracing system and method | Raymond Hofman, Gary L. Ragsdale, Paul A. Avery | 2010-09-28 |
| 5639377 | Water treatment system | William S. Banham, Larry W. Stacy | 1997-06-17 |
| 5415765 | Water treatment system | William S. Banham, Larry W. Stacy | 1995-05-16 |