Issued Patents 2023
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11808183 | System and method for extending oil life in an engine | Owen Graham, Kenneth Edward Neuman | 2023-11-07 |
| 11643991 | Annular ring groove of a piston | James Richard Zurlo | 2023-05-09 |