Issued Patents 2021
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11162587 | Piston ring and method for manufacturing a piston ring | Thomas J. Smith, Marc W. Benjamin | 2021-11-02 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11162587 | Piston ring and method for manufacturing a piston ring | Thomas J. Smith, Marc W. Benjamin | 2021-11-02 |