Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12331260 | Ashless additive composition | William R. Ruhe, Jr., Masami Fuchi | 2025-06-17 |
| 10435643 | Lubricating oil compositions containing amine compounds having improved seal performance | John Robert Miller, Kevin David Carabell | 2019-10-08 |