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Andrew Whitaker
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Knoxville, TN, US
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Patents Grants
last 30 patents
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Patent Grant
Delayed egress exit device
Patent number
7,832,778
Issue date
Nov 16, 2010
Yale Security Inc.
Andrew Whitaker
E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information
Patent Grant
Delayed egress exit device
Patent number
7,469,942
Issue date
Dec 30, 2008
Yale Security Inc.
Andrew Whitaker
E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Patents Applications
last 30 patents
Information
Patent Application
DELAYED EGRESS EXIT DEVICE
Publication number
20090079204
Publication date
Mar 26, 2009
YALE SECURITY INC.
Andrew Whitaker
E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information
Patent Application
Delayed egress exit device
Publication number
20050104381
Publication date
May 19, 2005
Andrew Whitaker
E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES