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Douglas Mark Cantis
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Morgantown, WV, US
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Patents Grants
last 30 patents
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Patent Grant
Barricade system and barricade bracket for use therein
Patent number
7,509,702
Issue date
Mar 31, 2009
The United States of America as represented by the Secretary of the Departmen...
Douglas Mark Cantis
E04 - BUILDING
Patents Applications
last 30 patents
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Patent Application
CONVERTIBLE MULTIPURPOSE LADDER STABILIZERS
Publication number
20100230208
Publication date
Sep 16, 2010
Hongwei Hsiao
E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
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Patent Application
Barricade system and barricade bracket for use therein
Publication number
20070090232
Publication date
Apr 26, 2007
Douglas Mark Cantis
E04 - BUILDING