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Robert A. Null
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Westminster, CO, US
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Patents Grants
last 30 patents
Information
Patent Grant
Shutter-type covering for architectural openings
Patent number
7,168,475
Issue date
Jan 30, 2007
Hunter Douglas Inc.
Wendell B. Colson
E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information
Patent Grant
Magnetic catch for bottom rails of coverings for architectural open...
Patent number
7,114,545
Issue date
Oct 3, 2006
Hunter Douglas Inc.
Robert A. Null
E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information
Patent Grant
Shutter-like covering and hardware for architectural opening
Patent number
6,901,988
Issue date
Jun 7, 2005
Hunter Douglas Inc.
Wendell B. Colson
E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information
Patent Grant
Balanced tilt mechanism for a covering for an architectural opening
Patent number
6,808,002
Issue date
Oct 26, 2004
Hunter Douglas Inc.
Wendell B. Colson
E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Patents Applications
last 30 patents
Information
Patent Application
SHUTTER-TYPE COVERING FOR ARCHITECTURAL OPENINGS
Publication number
20080245488
Publication date
Oct 9, 2008
Hunter Douglas Inc.
Wendell B. Colson
E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information
Patent Application
SHUTTER-TYPE COVERING FOR ARCHITECTURAL OPENINGS
Publication number
20070137798
Publication date
Jun 21, 2007
Hunter Douglas Inc.
Wendell B. Colson
E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information
Patent Application
Magnetic catch for bottom rails of coverings for architectural open...
Publication number
20050126719
Publication date
Jun 16, 2005
Robert A. Null
E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information
Patent Application
Shutter-type covering for architectural openings
Publication number
20050072088
Publication date
Apr 7, 2005
Wendell B. Colson
E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information
Patent Application
Balanced tilt mechanism for a covering for an architectural opening
Publication number
20040016518
Publication date
Jan 29, 2004
Hunter Douglas Inc.
Wendell B. Colson
E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information
Patent Application
Shutter-like covering and hardware for architectural opening
Publication number
20030015300
Publication date
Jan 23, 2003
Wendell B. Colson
E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS