Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4986799 | Transmission chain with pivot pins and intermediate pieces with rolling contact action | — | 1991-01-22 |
| 4320647 | Method of and apparatus for making elements with profiled cross-section from sheet metal | Jozef W. M. Kummeling | 1982-03-23 |