Inventor · disambiguated record
Barbara Derryberry
Also filed as: DERRYBERRY BARBARA
8 granted patents·598 citations·filing 2001–2015
90Inventor score
Top patents by PatentIndex Score
8 records- 0197US7170863B1Push-to-talk wireless telecommunications system utilizing a voice-over-IP networkNORTEL NETWORKS LTD·Filed 2001·Granted Jan 30, 2007·385 cites·20 claims
- 0296US7801953B1Push-to-talk wireless telecommunications system utilizing an voice-over-IP networkNORTEL NETWORKS LTD·Filed 2001·Granted Sep 21, 2010·112 cites·10 claims
- 0394US7826603B1Push-to-talk wireless telecommunications system utilizing a voice-over-IP networkNORTEL NETWORKS LTD·Filed 2002·Granted Nov 2, 2010·71 cites·15 claims
- 0493US8694041B2Push-to-talk telecommunications system utilizing an voice-over-IP networkAPPLE INC·Filed 2013·Granted Apr 8, 2014·10 cites·20 claims
- 0589US8428237B1Push-to-talk wireless telecommunications system utilizing a voice-over-IP networkDENMAN ROBERT E·Filed 2010·Granted Apr 23, 2013·8 cites·20 claims
- 0688US8447341B2Push-to-talk telecommunications system utilizing a voice-over-IP networkDENMAN ROBERT·Filed 2010·Granted May 21, 2013·10 cites·20 claims
- 0778US9014742B2Push-to-talk telecommunications system utilizing an voice-over-IP networkAPPLE INC·Filed 2014·Granted Apr 21, 2015·2 cites·19 claims
- 0856US9723458B2Push-to-talk telecommunications system utilizing an voice-over-IP networkAPPLE INC·Filed 2015·Granted Aug 1, 2017·0 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →