Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4881208 | Acoustic well logging method and apparatus | — | 1989-11-14 |
| 4813028 | Acoustic well logging method and apparatus | — | 1989-03-14 |
| 4791619 | Method of detecting and characterizing features in a borehole | — | 1988-12-13 |
| 4633449 | Method and apparatus for indirect determination of shear velocity from guided modes | John D. Ingram | 1986-12-30 |