Methods and apparatus for providing expanded telecommunications service | Patent Number 08351591
US 08351591 B2Filled DateOct 11, 2010
Priority DateApr 1, 1999
Publication DateFeb 3, 2011
Expiration DateJan 8, 2021
Inventor/ApplicantsLeland W. Kirchhoff
David S. Trandal
Robert A. Dolan
Colin Kelley
David J. Brahm
Robert F. Smith
David Frank Hofstatter
David S. Trandal
Robert A. Dolan
Colin Kelley
David J. Brahm
Robert F. Smith
David Frank Hofstatter
ExaminesSMITH, CREIGHTON H
Art Unit2656
Technology Center2600
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