Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4834209 | Transverse wave logger | Mike Davis, James O. Guy, John R. Smith | 1989-05-30 |
| 4809237 | Method for monitoring the goodness of the cement bond to a borehole casing | Mike Davis, James O. Guy, John R. Smith | 1989-02-28 |
| RE31607 | Circumferential acoustical detector | Gene T. Worrell | 1984-06-19 |
| 4312052 | Method for identifying weak sands | Robert A. Herolz | 1982-01-19 |
| 4293934 | Circumferential acoustic device | Robert A. Herolz | 1981-10-06 |