Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6650891 | SMS-supported method for online/offline detection of user groups in mobile wireless networks | Dirk Wierzbitzki | 2003-11-18 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6650891 | SMS-supported method for online/offline detection of user groups in mobile wireless networks | Dirk Wierzbitzki | 2003-11-18 |