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Vipin Palawat
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Lowell, MA, US
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Patents Grants
last 30 patents
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Patent Grant
Method and apparatus for S.I.P./H.323 interworking
Patent number
9,420,009
Issue date
Aug 16, 2016
AT&T Intellectual Property II, L.P.
Hemant Agrawal
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and apparatus for S.I.P./H.323 interworking
Patent number
8,699,516
Issue date
Apr 15, 2014
AT&T Intellectual Property II, L.P.
Hemant Agrawal
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and apparatus for S.I.P./H.323 interworking
Patent number
7,953,111
Issue date
May 31, 2011
AT&T Intellectual Property II, L.P.
Hemant Agrawal
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and apparatus for S.I.P./H. 323 interworking
Patent number
7,002,989
Issue date
Feb 21, 2006
AT&T Corp.
Hemant Agrawal
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
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Patent Application
Method And Apparatus For S.I.P./H.323 Interworking
Publication number
20140226654
Publication date
Aug 14, 2014
AT&T Intellectual Property II, L.P.
Hemant Agrawal
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
METHOD AND APPARATUS FOR S.I.P./H.323 INTERWORKING
Publication number
20110191486
Publication date
Aug 4, 2011
AT&T Intellectual Property II, L.P.
Hemant Agrawal
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Method and apparatus for S.I.P./H. 323 interworking
Publication number
20010046234
Publication date
Nov 29, 2001
Hemant Agrawal
H04 - ELECTRIC COMMUNICATION TECHNIQUE