Assignee
BIERBAUM CHRISTOPHER J
US·8 granted patents·516 citations·filing 2007–2012
Top patents by PatentIndex Score
8 records- 0198US8566168B1Electronic payment using a proxy account number stored in a secure elementBIERBAUM CHRISTOPHER J·Filed 2012·Granted Oct 22, 2013·293 cites·13 claims
- 0296US8225997B1Single transit card to multiple rider trip methods and architectureBIERBAUM CHRISTOPHER J·Filed 2008·Granted Jul 24, 2012·104 cites·8 claims
- 0393US9552584B1Electronic Wallet Ready to Pay TimerBIERBAUM CHRISTOPHER J·Filed 2011·Granted Jan 24, 2017·20 cites·19 claims
- 0493US8181867B1Transit card credit authorizationBIERBAUM CHRISTOPHER J·Filed 2009·Granted May 22, 2012·49 cites·20 claims
- 0590US8689012B1Diagnostics for secure elements in a mobile deviceBIERBAUM CHRISTOPHER J·Filed 2008·Granted Apr 1, 2014·25 cites·18 claims
- 0680US8126769B1Transit card state sequence self-help correctionBIERBAUM CHRISTOPHER J·Filed 2008·Granted Feb 28, 2012·8 cites·17 claims
- 0779US8255159B1Transit payment and handset navigation integrationBIERBAUM CHRISTOPHER J·Filed 2009·Granted Aug 28, 2012·16 cites·9 claims
- 0870US9985735B1Broadcast near field communication to mobile deviceBIERBAUM CHRISTOPHER J·Filed 2007·Granted May 29, 2018·1 cites·18 claims
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