Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8443660 | Device for determining a contact surface length of a vehicle tire | Guido Grande, Otto Muller | 2013-05-21 |
| 7071817 | Method and security apparatus for validating an authorization for locking and unlocking and/or using an object | Klaus Hofbeck, Thomas Klement, Birgit Rosel, Arnd Stielow | 2006-07-04 |
| 7061397 | Antitheft protection system, method for operating an antitheft protection system and components of an antitheft protection system | Birgit Rosel, Klaus Hofbeck, Arnd Stielow | 2006-06-13 |
| 6909396 | METHOD AND DEVICE FOR DETERMINING THE POSITION OF AT LEAST ONE SECOND TRANSMITTING AND RECEIVING DEVICE IN RESPECT OF A FIRST TRANSMITTING AND RECEIVING DEVICE IN A PASSIVE ACCESS CONTROL SYSTEM OPERATING IN THE GHZ RANGE | Klaus Hofbeck, Thomas Klement, Birgit Rosel, Arnd Stielow | 2005-06-21 |