Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4624306 | Downhole mobility and propulsion apparatus | Jack J. Traver, Richard Hughes | 1986-11-25 |
| 4509593 | Downhole mobility and propulsion apparatus | Jack L. Traver, Richard Hughes | 1985-04-09 |