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Raymond A. Clark
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State College, PA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Manual operating mechanism for upward acting door
Patent number
7,261,139
Issue date
Aug 28, 2007
Overhead Door Corporation
David A. Varley
E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information
Patent Grant
Rollup door with direct connected drive motor unit
Patent number
7,231,953
Issue date
Jun 19, 2007
Overhead Door Corporation
David A. Varley
E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information
Patent Grant
Flexible curtain rollup door with combination stiffening struts and...
Patent number
7,131,481
Issue date
Nov 7, 2006
Overhead Door Corporation
David A. Varley
E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information
Patent Grant
Flexible curtain rollup door with combination stiffening struts and...
Patent number
6,722,416
Issue date
Apr 20, 2004
Overhead Door Corporation
David A. Varley
E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Patents Applications
last 30 patents
Information
Patent Application
Manual operating mechanism for upward acting door
Publication number
20060042765
Publication date
Mar 2, 2006
Overhead Door Corporation
David A. Varley
E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information
Patent Application
Rollup door with direct connected drive motor unit
Publication number
20050211391
Publication date
Sep 29, 2005
Overhead Door Corporation
David A. Varley
E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information
Patent Application
Flexible curtain rollup door with combination stiffening struts and...
Publication number
20040182024
Publication date
Sep 23, 2004
OVERHEAD DOOR CORPORATION
David A. Varley
E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information
Patent Application
Flexible curtain rollup door with combination stiffening struts and...
Publication number
20030188837
Publication date
Oct 9, 2003
OVERHEAD DOOR CORPORATION
David A. Varley
E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS