Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6711174 | Process, control system, terminal, exchange, incoupling device, decoupling device, and combination device for providing functions to a telecommunications terminal | — | 2004-03-23 |
| 6611821 | Method of charging for the use of an internet service plus a service control unit and a service provider unit | Uwe Stahl, Wolfgang Lautenschlager, Harald Orlamunder | 2003-08-26 |
| 6255966 | Method of remotely programming a cellphone via a network | Heike Felbecker-Janho | 2001-07-03 |
| 6181789 | Telecommunication system and processor means, and method | Heike Felbecker-Janho | 2001-01-30 |
| 5946628 | Method and circuit arrangement for the access of cordless terminals to a telecommunications system | Artur Veloso, Joachim Endler, Klaus Geywitz, Hans-Joachim Adolphi | 1999-08-31 |
| 5754539 | Local area network for use in office communications and a circuit arrangement therefor | Manfred Metz | 1998-05-19 |
| 5544226 | Private branch exchange having a central control unit and a mobile control unit subordinate thereto | Bernd Weis, Karl-Albert Turban, Monika Bezler, Manfred Schulz | 1996-08-06 |
| 5357504 | Facility and method for D channel packet switching | — | 1994-10-18 |
| 5355402 | System for establishing a connection between private branch exchanges | Bernd Weis, Karl-Albert Turban, Monika Bezler, Manfred Schulz | 1994-10-11 |