Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4515680 | Naphthenic lube oils | William P. Hettinger, Jr., Frank H. Turrill, H. Wayne Beck | 1985-05-07 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4515680 | Naphthenic lube oils | William P. Hettinger, Jr., Frank H. Turrill, H. Wayne Beck | 1985-05-07 |