Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5832998 | Coiled tubing deployed inflatable stimulation tool | John H. Yonker, Wallace G. Wilke, Jr., Jeffrey S. Walter, James C. Tucker, Kenneth W. McIntyre +2 more | 1998-11-10 |
| 5271461 | Coiled tubing deployed inflatable stimulation tool | John H. Yonker | 1993-12-21 |
| 5107441 | System for evaluating the flow performance characteristics of a device | — | 1992-04-21 |
| 5066198 | Gas lift valve | — | 1991-11-19 |
| 4858644 | Fluid flow regulator | — | 1989-08-22 |