Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5113966 | Downhole hydraulic seismic generator | Danny L. Gregory, Harry C. Hardee | 1992-05-19 |
| 5024096 | Composite slip table of dissimilar materials for damping longitudinal modes | Danny L. Gregory, Tommy G. Priddy, Tommy D. Woodall | 1991-06-18 |