Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5006845 | Gas kick detector | Henry V. Calcar | 1991-04-09 |
| 4649704 | Subsea power fluid accumulator | — | 1987-03-17 |
| 4624495 | Tank and valve cover with transporting assembly | — | 1986-11-25 |