Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 5200063 | Coal hydroconversion process comprising solvent enhanced pretreatment with carbon monoxide | Stephen N. Vaughn, W. Neal Mitchell, Calude C. Culross, Steve Reynolds, Edward Effron | 1993-04-06 | $34,578,000 |
| 5151173 | Conversion of coal with promoted carbon monoxide pretreatment | Stephen N. Vaughn, Michael Siskin, Alan R. Katritzky, Glen B. Brons, Steve N. Reynolds +1 more | 1992-09-29 | $87,839,000 |