David WIEDNER

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Cedar Rapids, IA, US

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Patents Grantslast 30 patents

Information Patent Grant
Systems and methods for transit industry vehicle hardware-agnostic...
- Patent number 9,424,692
- Issue date Aug 23, 2016
- TRAPEZE SOFTWARE ULC
- David Wiedner
- G07 - CHECKING-DEVICES

Patents Applicationslast 30 patents

Information Patent Application
Systems and Methods For Transit Industry Vehicle Hardware-Agnostic...
- Publication number 20140188305
- Publication date Jul 3, 2014
- TRAPEZE SOFTWARE INC.
- David WIEDNER
- G07 - CHECKING-DEVICES