Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4825210 | Electronic locking system having a lock and a method for re-synchronization | Anton Bachhuber | 1989-04-25 |
| 4652860 | Security installation | Walter Weishaupt, Michael R. Tigges | 1987-03-24 |
| 4595902 | Anti-theft apparatus for vehicles | Walter Weishaupt | 1986-06-17 |