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Stefan Andreas Poetsch
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Houston, TX, US
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last 30 patents
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Patent Grant
Rolling shutter system with a plurality of single wall slats
Patent number
8,857,497
Issue date
Oct 14, 2014
Rollac Shutter of Texas, Inc.
Walter M. Konrad
E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
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Patent Grant
Rolling shutter exterior counter stop bracket
Patent number
D705040
Issue date
May 20, 2014
Walter Martin Konrad
D08 - Tools and hardware
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Patent Grant
Shutter slat for a rolling shutter system
Patent number
8,584,731
Issue date
Nov 19, 2013
Rollac Shutter of Texas, Inc.
Walter M. Konrad
E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS