Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6471138 | Electrically insulating rail system | Helmuth Blank, Heiko Hoft | 2002-10-29 |
| 6468631 | Elastic band-shaped base, specially track-bed matting | Jan Thiedeitz, Norbert Garbers, Michail Rabkin | 2002-10-22 |