| 5337234 |
Self-contained downhole gauge system |
Terry O. Anderson, J. Mark Richardson, Michael Lynch, Billy W. White, Gilbert H. Forehand +5 more |
1994-08-09 |
| 5153832 |
Self-containing downhole gauge system |
Terry O. Anderson, J. Mark Richardson, Michael Lynch, Billy W. White, Gilbert H. Forehand +5 more |
1992-10-06 |
| 4905281 |
Security apparatus and method for computers connected to telephone circuits |
Jim B. Surjaatmadja |
1990-02-27 |
| 4866607 |
Self-contained downhole gauge system |
Terry O. Anderson, J. Mark Richardson, Michael Lynch, Billy W. White, Gilbert H. Forehand +5 more |
1989-09-12 |
| 4709234 |
Power-conserving self-contained downhole gauge system |
Gilbert H. Forehand, Michael Lynch, Richard L. Duncan, Stephen E. Tilghman |
1987-11-24 |
| 4665398 |
Method of sampling and recording information pertaining to a physical condition detected in a well bore |
Michael Lynch, Gilbert H. Forehand, Richard L. Duncan, Stephen E. Tilghman |
1987-05-12 |
| 4575313 |
Digital pressure controller |
Prabhakar P. Rao, Jim B. Surjaatmadja |
1986-03-11 |
| 4551766 |
Optical reader |
John E. Mosier, Jim B. Surjaatmadja |
1985-11-05 |
| 4531189 |
Data conversion, communication and analysis system |
John E. Mosier, Jim B. Surjaatmadja, George B. McLawhon |
1985-07-23 |