Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4888743 | Method of seismic surveying for resolving the effects of formation anisotropy in shear wave reflection seismic data | — | 1989-12-19 |
| 4817061 | Seismic surveying technique for the detection of azimuthal variations in the earth's subsurface | Richard M. Alford, Heloise Bloxsom Lynn | 1989-03-28 |