Hierarchical call control with selective broadcast audio messaging system | Patent Number 06970706

US 06970706 B2
Application Number9731330
Publication NumberUS 20020068552 A1
Pendency4 years, 12 months
Filled DateDec 5, 2000
Priority DateDec 5, 2000
Publication DateJun 6, 2002
Expiration DateDec 5, 2020
Inventor/ApplicantsGerhard Siemens
Gerhard Siemens
ExaminesLE, DANH C
Art Unit2683
Technology Center2600
Assignments
Valyrian Ip Llc
Current
Siemens Communications Inc.Siemens Ag
Original
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