Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11505369 | Tack welded fin seal | Charles M. Frey, Henry Delgado, Robert W. Springhorn | 2022-11-22 |
| 6412388 | Safety arming device and method, for perforation guns and similar devices | — | 2002-07-02 |
| 6167957 | Helical perforating gun | — | 2001-01-02 |
| 5924696 | Frangible pressure seal | — | 1999-07-20 |