Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7983658 | Method and system to enable email services for mobile devices | Lutz Wolfgang Grüneberg | 2011-07-19 |
| 7898989 | Call-number based customer identification method for personalizable internet portals | Dieter Plabmann | 2011-03-01 |
| 7865719 | Method for establishing the authenticity of the identity of a service user and device for carrying out the method | Christian Muller, Alexis Trolin, Anita Döhler | 2011-01-04 |
| 6618583 | Method and device for calculating charges in telecommunications networks | — | 2003-09-09 |