Media based collaboration using mixed-mode PSTN and internet networks | Patent Number 08339997
US 08339997 B2Filled DateDec 23, 2009
Priority DateMar 10, 2003
Publication DateFeb 24, 2011
Expiration DateDec 25, 2020
Inventor/ApplicantsThomas A. Dye
Thomas A. Dundon
Thomas A. Dundon
ExaminesNI, SUHAN
Art Unit2656
Technology Center2600
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