Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5483986 | Method of displacing liquids through pipes | David D. Onan, Vincent J. Bila, James Haney, Ronney R. Koch, Randall D. Stilley +1 more | 1996-01-16 |
| 5355951 | Method of evaluating oil or gas well fluid process | Thomas E. Allen, Gary D. Arnold, Leonard R. Case, Mark A. Clark, Jerry L. Gammill +4 more | 1994-10-18 |
| 5346011 | Methods of displacing liquids through pipes | David D. Onan, Vincent J. Bila, James Haney, Ronney R. Koch, Randall D. Stilley +1 more | 1994-09-13 |