Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 4564440 | Viscosity index improvement in dewaxed lube basestock by partial desulfurization in hydrotreat bed | William E. Garwood, John W. Walker | 1986-01-14 | $16,019,000 |