Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5443425 | Adjustable chain wheel and components thereof | Arjen Roth, Leonardus Jozephus Antonius Tiggeloven | 1995-08-22 |
| 5199922 | Cutting device | Hendrik J. Pardijs, Fransiscus E. Pruijs | 1993-04-06 |