Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5505135 | Low stress casing joint configuration | James E. Fritz | 1996-04-09 |
| 5477785 | Well pipe perforating gun | Charles A. Dieman, Jr., Daniel Toro, Thomas C. Tseka, James E. Fritz, Craig Boucher +1 more | 1995-12-26 |