Inventor · disambiguated record
Paul D. Defrain
Also filed as: DEFRAIN PAUL D
4 granted patents·2 pending applications·54 citations·filing 2003–2013
77Inventor score
Top patents by PatentIndex Score
6 records- 0179US7765302B2Distributed call server supporting communication sessions in a communication system and methodNORTEL NETWORKS LTD·Filed 2003·Granted Jul 27, 2010·20 cites·21 claims
- 0272US7606181B1Apparatus, method, and computer program for processing audio information of a communication sessionNORTEL NETWORKS LTD·Filed 2003·Granted Oct 20, 2009·20 cites·19 claims
- 0368US8554828B2Distributed call server supporting communication sessions in a communication system and methodWHYNOT STEPHEN R·Filed 2010·Granted Oct 8, 2013·2 cites·15 claims
- 0466US7281051B2Apparatus, method, and computer program for managing resources in a communication systemNORTEL NETWORKS LTD·Filed 2003·Granted Oct 9, 2007·12 cites·20 claims
- 0555US2014019629A1Distributed call server supporting communication sessions in a communication system and methodROCKSTAR CONSORTIUM US LP·Filed 2013·Application pending·0 cites
- 0655US2014019147A1Distributed call server supporting communication sessions in a communication system and methodROCKSTAR CONSORTIUM US LP·Filed 2013·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →