Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6360860 | Current collector | Andre Pieter Willem van Zaalen | 2002-03-26 |
| 6286646 | Current collector trolley for a rail current system | Andre Pieter Willem van Zaalen | 2001-09-11 |