Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12066078 | Mechanical system with double-sided chain | Jan Roman Mroczka | 2024-08-20 |
| 7780559 | Chain transmission | Jerzy Andrzej Zbikowski, Zbigniew Zbikowski, Radoslaw Wrona | 2010-08-24 |