Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4502970 | Lubricating oil composition | Alan A. Schetelich, Darrell W. Brownawell | 1985-03-05 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4502970 | Lubricating oil composition | Alan A. Schetelich, Darrell W. Brownawell | 1985-03-05 |