Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 4307889 | Apparatus utilizing rotary motion of a member as the motive force for a pump | — | 1981-12-29 | $9,881,000 |
| 4273472 | Apparatus for protecting subsea wells | Michael J. Krenek, Thomas J. Ames | 1981-06-16 | $1,705,000 |