Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4828707 | Apparatus for improving the separation of fluids of different densities | David L. Holbrook | 1989-05-09 |
| 4717481 | Apparatus for improving the separation of fluids of different densities | David L. Holbrook | 1988-01-05 |
| 4705620 | Mercaptan extraction process | Jeffery C. Bricker | 1987-11-10 |
| 4502949 | Catalytic oxidation of mercaptan in petroleum distillate | Robert R. Frame, Russell W. Johnson | 1985-03-05 |