Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4844717 | Fuel composition and method for control of engine octane requirements | Timothy Wusz, Stephen G. Brass | 1989-07-04 |
| 4801729 | Lubricating compositions | Richard A. Holstedt | 1989-01-31 |