Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7893811 | Method for automatically ascertaining the number of people and/or objects present in a gate | Oliver Hörkens | 2011-02-22 |
| 7841133 | Passage barrier | Dieter Schwald | 2010-11-30 |