Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10563764 | Coated steel piston ring | Alexander S. Cooper, Thomas J. Smith, Thomas Stong | 2020-02-18 |
| 10428945 | Inlaid ring with plated lateral side | Thomas J. Smith, Alexander S. Cooper, Timothy Andros, Claudinei J. de Oliveira, Jason Bieneman +2 more | 2019-10-01 |