Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5673751 | System for controlling the flow of fluid in an oil well | Philip Head, Paul Gullett | 1997-10-07 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5673751 | System for controlling the flow of fluid in an oil well | Philip Head, Paul Gullett | 1997-10-07 |