Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5439027 | High pressure regulating valve | Ken S. Layton, Brett L. Tisch | 1995-08-08 |
| 5233863 | Fluid loss measuring system and method | Jim B. Surjaatmadja, Keith Edward Blaschke, Stewart E. Rowell | 1993-08-10 |