PATLY.AIApplication
11691881 · DTMF GENERATING ASSISTANT
Filed 2007-03-27 · Granted · Patent 7409055 (2008-08-05) The official file ↗The patent and its PDF ↗ · Art unit 2614 · Examiner Ramnandan P Singh · CPC H04M 1/275 · AT&T Legal Department - WK
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first was Non-final rejection
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to disposition 16.3 mo
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