Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4953398 | Method and apparatus for detecting acoustic vibrations in a borehole | Jean Pierre Masson, Claude Fierfort | 1990-09-04 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4953398 | Method and apparatus for detecting acoustic vibrations in a borehole | Jean Pierre Masson, Claude Fierfort | 1990-09-04 |