Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6347282 | Measurement-while-drilling assembly using gyroscopic devices and methods of bias removal | Robert A. Estes, Jon B. Kahn | 2002-02-12 |
| 6212476 | Apparatus to measure the earth's local gravity and magnetic field in conjunction with global positioning attitude determining | Robert A. Estes, Hatem Salem Morsy | 2001-04-03 |