Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5358040 | Method and apparatus for running a mechanical roller arm centralizer through restricted well pipe | Charles W. Agee | 1994-10-25 |
| 4624307 | Explosive perforating tool | — | 1986-11-25 |
| 4572288 | Time-delayed ignition system for a down-hole explosive tool | — | 1986-02-25 |
| 4557327 | Roller arm centralizer | Allyn Pratt | 1985-12-10 |