Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7623221 | Apparatus for and method of determining distance | Wilfried Wagner | 2009-11-24 |
| 5313060 | Multi-sensor doubled row direction sensitive counting and switching device | Ralf Gast, Andre Haufe, Andreas Wermke | 1994-05-17 |