Patents by Inventor Ina Widergen

Ina Widergen has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Mobile telecommunications network having integrated wireless office system
    Patent number: 5890064
    Abstract: A mobile telecommunications network having an integrated wireless office system is disclosed. A wireless office system is integrated into both a private telephony network (PTN) and a public land mobile network (PLMN) which includes a public cellular system. The wireless office system provides mobile service to corporate mobile terminals (CMTs) that are part of a corporate group of terminals of the PTN. The CMTs of the wireless office system appear to the PTN as normal fixed extension terminals and PTN internal features such as call back, caller identification and operator assistance may be used at the CMTs.
    Type: Grant
    Filed: March 13, 1996
    Date of Patent: March 30, 1999
    Assignee: Telefonaktiebolaget L M Ericsson (publ)
    Inventors: Ina Widergen, Marie Svensson, Sven Gunnar Ivar Thrysin