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Christopher J. Bierbaum

Sprint Corporation

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Publication

Featured researches published by Christopher J. Bierbaum.

Archive | 2007

Mobile device having a transit card application

Christopher J. Bierbaum; Kevin Zhu

Archive | 2012

Electronic payment using a proxy account number stored in a secure element

Christopher J. Bierbaum; Warren B. Cope; Robin D. Katzer; Lyle W. Paczkowski

Archive | 2008

Electronic wallet ready to pay timer

Christopher J. Bierbaum; Allison A. DiMartino; Robert H. Miller; Elizabeth Roche; Jason K. Whitney; Kevin Zhu

Archive | 2008

Single transit card to multiple rider trip methods and architecture

Christopher J. Bierbaum; Robin D. Katzer; Todd N. Koellner; Kevin Zhu

Archive | 2009

Transit card credit authorization

Christopher J. Bierbaum; Robin D. Katzer; Todd N. Koellner; Kevin Zhu

Archive | 2008

Diagnostics for secure elements in a mobile device

Christopher J. Bierbaum; Robin D. Katzer; Todd N. Koellner; Kevin Zhu

Archive | 2008

Automated confirmation of transit card fund replenishment

Christopher J. Bierbaum; Robin D. Katzer; Todd N. Koellner; Kevin Zhu

Archive | 2008

Transit card state sequence self-help correction

Christopher J. Bierbaum; Robin D. Katzer; Todd N. Koellner; Kevin Zhu

Archive | 2009

Transit payment and handset navigation integration

Christopher J. Bierbaum; Robin D. Katzer; Todd N. Koellner; Kevin Zhu

Archive | 2007

Customer care intelligent routing

Christopher J. Bierbaum; Robin D. Katzer; Todd N. Koellner; Kevin Zhu

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Collaboration

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Kevin Zhu

Sprint Corporation

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Robin D. Katzer

Sprint Corporation

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Todd N. Koellner

Sprint Corporation

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Allison A. DiMartino

Sprint Corporation

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Keith Anderson

Sprint Corporation

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Elizabeth Roche

Sprint Corporation

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Jason K. Whitney

Sprint Corporation

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Lyle W. Paczkowski

Sprint Corporation

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Robert H. Miller

Sprint Corporation

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Warren B. Cope

Sprint Corporation

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