Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 4602067 | High temperature drilling fluids | Stanley W. Walinsky | 1986-07-22 | $14,185,000 |
| 4566978 | High temperature drilling fluids | Stanley W. Walinsky | 1986-01-28 | $12,565,000 |