Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9175753 | Tensioner with spring damper | Marek Frankowski, Jacek Stepniak, Frank C. Schimpl | 2015-11-03 |
| 8613680 | Tensioner with spring damper | Marek Frankowski, Jacek Stepniak, Frank C. Schimpl | 2013-12-24 |