Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6396435 | Method for determining the vertical distance between an object and a device with a variable position | Norbert Fleischhauer | 2002-05-28 |
| 6317035 | Apparatus and method for enabling a security device, in particular an access device for a motor vehicle | Reinhold Berberich, Christopher Sievers, Thorsten Burger | 2001-11-13 |
| 6289282 | Method of determining the distance between and object and a device of varying location | Norbert Fleischhauer | 2001-09-11 |