Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5673751 | System for controlling the flow of fluid in an oil well | Paul Gullett, Paul Wilmott | 1997-10-07 |
| 5671811 | Tube assembly for servicing a well head and having an inner coil tubing injected into an outer coiled tubing | — | 1997-09-30 |