Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6471139 | Rail arrangement | Michael Bruder, Karl-Heinz Krause, Edgar Bohm, Gerhard Merkmann, Peter Schwob +1 more | 2002-10-29 |
| 6468631 | Elastic band-shaped base, specially track-bed matting | Bernd Pahl, Jan Thiedeitz, Norbert Garbers | 2002-10-22 |