Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5012871 | Fluid flow control system, assembly and method for oil and gas wells | Charles W. Pleasants, David R. Burnett | 1991-05-07 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5012871 | Fluid flow control system, assembly and method for oil and gas wells | Charles W. Pleasants, David R. Burnett | 1991-05-07 |