Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4420405 | Water based drilling mud additive | — | 1983-12-13 |
| 4415463 | Preparation of viscosifiers for zinc salt workover and completion brines | Benjamin Mosier, Karl G. Guilbeau | 1983-11-15 |
| 4385999 | Sulfonated gilsonite drilling mud additive | — | 1983-05-31 |
| 4350601 | Preparation of viscosifiers for zinc salt workover and completion brines | Benjamin Mosier, Karl G. Guilbeau | 1982-09-21 |