David J. SPENCER

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Kilarney Heights, AU

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Patents Grantslast 30 patents

Information Patent Grant
Progressive value tracking and publication in gaming systems
- Patent number 9,189,921
- Issue date Nov 17, 2015
- IGT
- David J. Spencer
- G07 - CHECKING-DEVICES

Patents Applicationslast 30 patents

Information Patent Application
PROGRESSIVE VALUE TRACKING AND PUBLICATION IN GAMING SYSTEMS
- Publication number 20140274349
- Publication date Sep 18, 2014
- IGT
- David J. SPENCER
- G07 - CHECKING-DEVICES