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Lech W. Hernandez
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Brooklyn Park, MN, US
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last 30 patents
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Patent Grant
Molds for producing concrete blocks with roughened surfaces; blocks...
Patent number
9,259,853
Issue date
Feb 16, 2016
Anchor Wall Systems, Inc.
Jay Johnson
B44 - DECORATIVE ARTS
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last 30 patents
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Patent Application
MOLDS FOR PRODUCING CONCRETE BLOCKS WITH ROUGHENED SURFACES; BLOCKS...
Publication number
20120192522
Publication date
Aug 2, 2012
Jay Johnson
B44 - DECORATIVE ARTS