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Alfred Yarbrough
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Loxahatchee, FL, US
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Patents Grants
last 30 patents
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Patent Grant
Motion detector having asymmetric zones for determining direction o...
Patent number
8,009,044
Issue date
Aug 30, 2011
Sensormatic Electronics, LLC
Gary Mark Shafer
G08 - SIGNALLING
Patents Applications
last 30 patents
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Patent Application
MOTION DETECTOR HAVING ASYMMETRIC ZONES FOR DETERMINING DIRECTION O...
Publication number
20100238030
Publication date
Sep 23, 2010
ADT SECURITY SERVICES, INC.
Gary Mark Shafer
G08 - SIGNALLING
Information
Patent Application
Video verification system and method for central station alarm moni...
Publication number
20070285511
Publication date
Dec 13, 2007
ADT Security Services, Inc.
Gary Mark Shafer
H04 - ELECTRIC COMMUNICATION TECHNIQUE