Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5666993 | Pressure isolated pilot check valve | Jacques Maissa | 1997-09-16 |
| 4432143 | Well logging apparatus | Keith Moriarty | 1984-02-21 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5666993 | Pressure isolated pilot check valve | Jacques Maissa | 1997-09-16 |
| 4432143 | Well logging apparatus | Keith Moriarty | 1984-02-21 |