Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10401137 | Retention member for perforating guns | Timothy E. LaGrange, Lyle W. Andrich, Dan W. Pratt | 2019-09-03 |
| 9752421 | Pressure switch for selective firing of perforating guns | Timothy E. LaGrange, George Patton, Dan W. Pratt, Bradley Vass | 2017-09-05 |
| 9520219 | Retention member for perforating guns | Timothy E. LaGrange, Lyle W. Andrich, Dan W. Pratt | 2016-12-13 |
| 6640899 | Apparatus and methods for jarring | Ronnie Day, Cameron Jackson | 2003-11-04 |