Issued Patents 2003
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6667620 | Current-directing shield apparatus for use with transverse magnetic dipole antennas | Charles G. Kibbe, Kuo-Chiang Chen | 2003-12-23 |
| 6624634 | Borehole current correction methods and apparatus | Richard A. Rosthal, Thomas D. Barber, Stephen D. Bonner, Brian Clark, Dzevat Omeragic | 2003-09-23 |
| 6573722 | Method and apparatus for cancellation of borehole effects due to a tilted or transverse magnetic dipole | Richard A. Rosthal, Thomas D. Barber, Stephen D. Bonner, Brian Clark, Dzevat Omeragic | 2003-06-03 |
| 6557794 | Coil shielding method for selective attenuation of an electromagnetic energy field component | Richard A. Rosthal, Dzevat Omeragic, Stephen D. Bonner, Brian Clark, Scott S. Chesser +1 more | 2003-05-06 |