Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7927057 | Ocean commerce transfer system | — | 2011-04-19 |
| 4653597 | Method for circulating and maintaining drilling mud in a wellbore | — | 1987-03-31 |
| 4306459 | Transducer carrier for ultrasonic testing | Bruce W. Pappan | 1981-12-22 |