Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8613410 | Devices for detecting the occupied state or the free state of a track section and method for operating such devices | Peer Bohlmann, Gerald Lude | 2013-12-24 |
| 7975968 | Method and apparatus for detection of the occupied or free state of a track section | Peer Bohlmann | 2011-07-12 |