Issued Patents 2023
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11773517 | Hybrid chain link | Rigobert Bosman, Dietrich Wienke, Roelof Marissen | 2023-10-03 |
| 11674562 | Chain with endless braided chain-link | Karel Jozef Wetzels, Dietrich Wienke, Roelof Marissen, Rigobert Bosman | 2023-06-13 |