Audio-video multi-participant conference systems using PSTN and internet networks | Patent Number 09094525
US 09094525 B2Filled DateNov 12, 2012
Priority DateMar 10, 2003
Publication DateJun 27, 2013
Expiration DateMar 10, 2023
Inventor/ApplicantsThomas Dundon
Thomas Dye
Thomas Dye
ExaminesNI, SUHAN
Art Unit2656
Technology Center2600
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