Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4817665 | Safety valve | — | 1989-04-04 |
| 4184546 | Anchoring apparatus for tools used in determining the stuck point of a conduit in a borehole | Jacques Tromelin | 1980-01-22 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4817665 | Safety valve | — | 1989-04-04 |
| 4184546 | Anchoring apparatus for tools used in determining the stuck point of a conduit in a borehole | Jacques Tromelin | 1980-01-22 |