Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8739256 | Method for providing access to a service | Jin Liu | 2014-05-27 |
| 7533263 | System and method for registering a subscriber station on the packet service call state control function CSCF in a communications system | Steffen Engmann, Elmar Haas, Ralf Jasper | 2009-05-12 |
| 5351539 | Sensor for measuring acceleration and tilt with a bubble level | Botho Ziegenbein, Ulrich Kippelt | 1994-10-04 |