Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5321213 | Downhole epicyclic motion orbital seismic source | Jack H. Cole, John B. Sinton, Marvin E. Janda | 1994-06-14 |
| 4492285 | Mobile high frequency vibrator system | Delbert W. Fair | 1985-01-08 |