Inventor · disambiguated record
David Frederick Mcguigan
Also filed as: MCGUIGAN DAVID F · MCGUIGAN DAVID FREDERICK
7 granted patents·1 pending application·352 citations·filing 1991–2015
89Inventor score
Files withLEVEL 3 COMMUNICATIONS LLC3AT & T BELL LAB2AT & T CORP1MCGUIGAN DAVID FREDERICK1VERIZON CORPORATE SERV GROUP1
Top patents by PatentIndex Score
8 records- 0188US7346043B1Allocation of channel capacity in multiservice networksVERIZON CORPORATE SERV GROUP·Filed 2002·Granted Mar 18, 2008·34 cites·30 claims
- 0286US7339934B2Alternate routing of voice communication in a packet-based networkLEVEL 3 COMMUNICATIONS LLC·Filed 2001·Granted Mar 4, 2008·41 cites·26 claims
- 0385US5392344ACommunications network class-of-service routingAT & T CORP·Filed 1991·Granted Feb 21, 1995·105 cites·17 claims
- 0481US5226075AMethod of and apparatus for numbering and routing calls through a communication networkAT & T BELL LAB·Filed 1992·Granted Jul 6, 1993·94 cites·35 claims
- 0574US5185785AMethod and apparatus for recording and rating telecommunication transactions made over a communication networkAT & T BELL LAB·Filed 1991·Granted Feb 9, 1993·72 cites·32 claims
- 0671US7720084B2Alternate routing of voice communication in a packet-based networkLEVEL 3 COMMUNICATIONS LLC·Filed 2008·Granted May 18, 2010·3 cites·20 claims
- 0770US8948190B2Alternate routing of voice communication in a packet-based networkMCGUIGAN DAVID FREDERICK·Filed 2010·Granted Feb 3, 2015·3 cites·7 claims
- 0850US2015304504A1Alternate routing of communications in a packet-based networkLEVEL 3 COMMUNICATIONS LLC·Filed 2015·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →