Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6374745 | Line-changing device for tracks of a magnetic levitation train | — | 2002-04-23 |
| 6354225 | Line-changing device for tracks of a magnetic levitation train | Karl Fichtner | 2002-03-12 |