Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6474455 | Current collector | Stefan Pahnke | 2002-11-05 |
| 6418397 | Device for measuring the contact force in a power collector | Werner Brand, Olaf Mollenhauer, Andreas Karguth | 2002-07-09 |