Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4928595 | Reverse slapper detonator | — | 1990-05-29 |
| 4888522 | Electrical method and apparatus for impelling the extruded ejection of high-velocity material jets | — | 1989-12-19 |
| 4852493 | Ferrite core coupled slapper detonator apparatus and method | Ralph E. Boberg, Ronald S. Lee | 1989-08-01 |
| 4453423 | Method and apparatus for generating a natural crack | Fred J. Fulton, Charles A. Honodel, William R. Holman | 1984-06-12 |