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Archive | 2003

Method for joining dispatch calls

Mark L. Shaughnessy; Peter J. Armbruster; James P. Krakora; Bradley R. Schaefer; William N. Shores


Archive | 2002

Push-to-talk/cellular networking system

Bradley R. Schaefer; Mark L. Shaughnessy; Peter J. Armbruster


Archive | 1997

Multiple-user communication unit and method for operating in a satellite communication system

Nathan West Miller; Peter J. Armbruster; Daniel Richard Tayloe


Archive | 2005

System and method for dynamically selecting wireless information communication modes for a wireless communication device

Nandakishore A. Albal; Peter J. Armbruster; Jay Jayapalan


Archive | 2001

Conference call bridge arrangement

Bradley R. Schaefer; Mark L. Shaughnessy; Peter J. Armbruster


Archive | 1995

Method and apparatus for call establishment in a satellite communication system

Peter J. Armbruster; James Powers Redden; Steven Paul Sawyer


Archive | 1991

Method and apparatus for usage protection of data files using split key and unique variable

Peter J. Armbruster; Paul Roy Kennedy


Archive | 2001

Mobile ip push service

Peter J. Armbruster; Mark L. Shaughnessy; Daniel Richard Tayloe


Archive | 1996

Method and apparatus for communications hand-off between multiple satellite systems

Peter J. Armbruster; Kenneth Lee Sowles; Daniel Richard Tayloe


Archive | 1996

Providing communication services to mobile user groups

Peter J. Armbruster; Kenneth Lee Sowles

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