Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4846959 | Manufacture of premium fuels | Clinton R. Kennedy | 1989-07-11 |
| 4828677 | Production of high octane gasoline | Ronald H. Fischer, Rene B. LaPierre, Philip Varghese | 1989-05-09 |