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Roger K. Ruppert
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Canton, GA, US
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last 30 patents
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Patent Grant
Systems, methods and computer products for voicemail via internet p...
Patent number
8,184,619
Issue date
May 22, 2012
AT&T Intellectual Property I, L.P.
Jeffrey Cassanova
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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last 30 patents
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Patent Application
SYSTEMS, METHODS AND COMPUTER PRODUCTS FOR VOICEMAIL VIA INTERNET P...
Publication number
20090022140
Publication date
Jan 22, 2009
AT&T Intellectual Property, Inc.
Jeffrey Cassanova
H04 - ELECTRIC COMMUNICATION TECHNIQUE