Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5275718 | Lubricant base oil processing | C. Monroe Copeland, John M. Noreyko, Michael Rombs, Darrell Sutherland | 1994-01-04 |
| 5098556 | Treatment of off-specification white mineral oil made by two stage hydrogenation | Caridad Go, Thomas F. Wulfers, Martin P. Grosboll | 1992-03-24 |
| 4192656 | Method and apparatus for halting the advancement of accidental ethylene decomposition in a gas pipeline | G. Richard Worrell | 1980-03-11 |