Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4875197 | Method and apparatus for determining propagation velocities of elastic waves in a borehole | — | 1989-10-17 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4875197 | Method and apparatus for determining propagation velocities of elastic waves in a borehole | — | 1989-10-17 |