Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7805276 | Impact detection system | Terry Byers, Eric L. Christiansen | 2010-09-28 |
| 6208586 | Method and apparatus for communicating data in a wellbore and for detecting the influx of gas | Louis H. Rorden, Ashok Patel, James V. Leggett, III, Steven C. Owens | 2001-03-27 |
| 5850369 | Method and apparatus for communicating data in a wellbore and for detecting the influx of gas | Louis H. Rorden, Ashok Patel, James V. Leggett, III, Steven C. Owens | 1998-12-15 |
| 5592438 | Method and apparatus for communicating data in a wellbore and for detecting the influx of gas | Louis H. Rorden, Ashok Patel, James V. Leggett, III, Steven C. Owens | 1997-01-07 |