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Gregory Robert Winkler
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Broomfield, CO, US
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Patents Grants
last 30 patents
Information
Patent Grant
Perimeter protection systems
Patent number
7,889,075
Issue date
Feb 15, 2011
Gregory Robert Winkler
G08 - SIGNALLING
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Patent Grant
Perimeter anti-ram system
Patent number
7,794,172
Issue date
Sep 14, 2010
Gregory Robert Winkler
E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Patents Applications
last 30 patents
Information
Patent Application
PERIMETER ANTI-RAM SYSTEM
Publication number
20080131200
Publication date
Jun 5, 2008
Gregory Robert Winkler
E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information
Patent Application
PERIMETER PROTECTION SYSTEMS
Publication number
20080106408
Publication date
May 8, 2008
Gregory Robert Winkler
G08 - SIGNALLING