Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4869338 | Method for measuring acoustic impedance and dissipation of medium surrounding a borehole | James Wiggins | 1989-09-26 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4869338 | Method for measuring acoustic impedance and dissipation of medium surrounding a borehole | James Wiggins | 1989-09-26 |