Inventor · disambiguated record
David A. Fitzgerald
Also filed as: FITZGERALD DAVID A
4 granted patents·1 pending application·70 citations·filing 2007–2011
72Inventor score
Top patents by PatentIndex Score
5 records- 0190US8175235B2Lease model for avoiding permanent card lockingMUMFORD GREGORY L·Filed 2007·Granted May 8, 2012·65 cites·20 claims
- 0272US7957720B2Systems and methods for providing multiple simultaneous calls from the same prepaid accountVERIZON PATENT & LICENSING INC·Filed 2007·Granted Jun 7, 2011·4 cites·14 claims
- 0360US8064579B2Prepaid services accounts with multi-user customers and individualized quotasMUMFORD GREGORY L·Filed 2007·Granted Nov 22, 2011·1 cites·27 claims
- 0449US2009089207A1Prepaid budget calling accounts with overruns billed to a credit cardVERIZON BUSINESS NETWORK SERV·Filed 2007·Application pending·0 cites
- 0547US8543084B2Systems and methods for providing multiple simultaneous calls from the same prepaid accountMUMFORD GREGORY L·Filed 2011·Granted Sep 24, 2013·0 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →