Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6630429 | Lost circulation material and method of use | Keet Stene Cremeans | 2003-10-07 |
| 4217965 | Method for preventing fluid loss during drilling | — | 1980-08-19 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6630429 | Lost circulation material and method of use | Keet Stene Cremeans | 2003-10-07 |
| 4217965 | Method for preventing fluid loss during drilling | — | 1980-08-19 |