Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10151569 | Initiator having an explosive substance of a secondary explosive | Corbin S. Glenn, Thomas J. Wuensche, Justine M. Davidson, James M. Barker | 2018-12-11 |
| 7811354 | High performance powdered metal mixtures for shaped charge liners | James Phillip Lawson | 2010-10-12 |
| 7547345 | High performance powdered metal mixtures for shaped charge liners | James Phillip Lawson | 2009-06-16 |
| 6729406 | Method and apparatus for performing cutting operations in a subterranean well | Dannie R. Collins, James M. Barker, John A. Regalbuto | 2004-05-04 |
| 6588344 | Oil well perforator liner | Nathan G. Clark | 2003-07-08 |
| 6371219 | Oilwell perforator having metal loaded polymer matrix molded liner and case | William Richard Collins, Jerry L. Walker, Nathan G. Clark, James M. Barker | 2002-04-16 |
| 5814758 | Apparatus for discharging a high speed jet to penetrate a target | — | 1998-09-29 |
| 4519313 | Charge holder | — | 1985-05-28 |