Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4817061 | Seismic surveying technique for the detection of azimuthal variations in the earth's subsurface | Richard M. Alford, Leon Thomsen | 1989-03-28 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4817061 | Seismic surveying technique for the detection of azimuthal variations in the earth's subsurface | Richard M. Alford, Leon Thomsen | 1989-03-28 |