Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4295366 | Drilling fluid circulating and monitoring system and method | Joseph T. Gibson | 1981-10-20 |
| 4290305 | Drilling fluid circulating and monitoring system and method | Joseph T. Gibson | 1981-09-22 |
| 4224988 | Device for and method of sensing conditions in a well bore | Joseph T. Gibson | 1980-09-30 |