Lloyd W. Hemphill

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Westlake, OH, US

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Patents Grantslast 30 patents

Information Patent Grant
Emergency notification system utilizing digital signage and remote...
- Patent number 8,797,158
- Issue date Aug 5, 2014
- Mark C. Mutch
- G08 - SIGNALLING

Patents Applicationslast 30 patents

Information Patent Application
EMERGENCY NOTIFICATION SYSTEM UTILIZING DIGITAL SIGNAGE AND REMOTE...
- Publication number 20120050039
- Publication date Mar 1, 2012
- Mark C. Mutch
- G08 - SIGNALLING