Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5253713 | Gas and oil well interface tool and intelligent controller | David P. Gregg, John G. Corp | 1993-10-19 |
| 5132904 | Remote well head controller with secure communications port | — | 1992-07-21 |
| 4989671 | Gas and oil well controller | — | 1991-02-05 |