Issued Patents All Time
Showing 1–3 of 3 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 |
| 10323747 | Piston ring and method for manufacturing a piston ring | Thomas J. Smith, Marc W. Benjamin | 2019-06-18 |
| 7262245 | Low-density sealing mass, ground mass and method for producing the same and the use thereof | Peter Bons, Heinz Burock, Francisco Diez, Heiko Diehl | 2007-08-28 |