Inventor · disambiguated record
Foy C. Sperring
Also filed as: SPERRING FOY C · SPERRING JR FOY C
4 granted patents·1 pending application·30 citations·filing 2009–2015
73Inventor score
Top patents by PatentIndex Score
5 records- 0185US9792003B1Dynamic format selection and deliveryAUDIBLE INC·Filed 2013·Granted Oct 17, 2017·14 cites·25 claims
- 0281US7979914B2Time-based digital content authorizationAUDIBLE INC·Filed 2009·Granted Jul 12, 2011·7 cites·24 claims
- 0379US9037277B1Systems and methods for initiating action based on audio output deviceSPERRING FOY C·Filed 2012·Granted May 19, 2015·9 cites·16 claims
- 0448US2011167502A1Time-based digital content authorizationAUDIBLE INC·Filed 2011·Application pending·0 cites
- 0546US10111020B1Systems and methods for initiating action based on audio output deviceAUDIBLE INC·Filed 2015·Granted Oct 23, 2018·0 cites·18 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →