Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6984610 | Acid based micro-emulsions of surfactants and solvents | James R. VonKrosigk | 2006-01-10 |
| 6593279 | Acid based micro-emulsions | James Richard Von Krosigk | 2003-07-15 |
| 5942468 | Invert emulsion well drilling and servicing fluids | James W. Dobson, Jr., James P Cashion | 1999-08-24 |
| 5587354 | Drilling fluid and drilling fluid additive | — | 1996-12-24 |
| 5559085 | Organic liquid base drilling fluid with terpene | — | 1996-09-24 |
| 5547925 | Low toxicity terpene drilling fluid and drilling fluid additive | — | 1996-08-20 |