Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6761000 | Infoboard and assembly of such infoboard and a portal crane truck | Eric Cornelis Johannes Hendrikus Heijting, Jan Kemperman, Theodorus Hermanus Klaassen | 2004-07-13 |