Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9752421 | Pressure switch for selective firing of perforating guns | Timothy E. LaGrange, Cory D. Day, George Patton, Dan W. Pratt | 2017-09-05 |
| 9689240 | Firing mechanism with time delay and metering system | Timothy E. LaGrange, Lyle W. Andrich | 2017-06-27 |