Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6131520 | Rail vehicle | — | 2000-10-17 |
| 4393786 | Track crossing for a two track suspension railroad | Adolf Hillmer | 1983-07-19 |
| 4389942 | Switch for a carriage of a two track suspension railroad | Adolf Hillmer | 1983-06-28 |
| 4303017 | Long stator linear motor without iron | — | 1981-12-01 |