Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5347929 | Firing system for a perforating gun including an exploding foil initiator and an outer housing for conducting wireline current and EFI current | Nolan C. Lerche, Clifford L. Aseltine | 1994-09-20 |