Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5654634 | Method for detecting gaps to be bridged in the power supply of an electric rail vehicle | — | 1997-08-05 |
| 5614796 | Method for providing continuous power to electrical rail vehicle systems when rail power is interrupted | Anton Volkl, Jens Hinze | 1997-03-25 |