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Tommy Davis
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Argyle, TX, US
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Patents Grants
last 30 patents
Information
Patent Grant
Concrete block splitting and pitching apparatus
Patent number
8,136,516
Issue date
Mar 20, 2012
Pavestone, LLC
William Howard Karau
B28 - WORKING CEMENT, CLAY, OR STONE
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Patent Grant
Concrete block splitting and pitching apparatus
Patent number
7,766,002
Issue date
Aug 3, 2010
Pavestone Company, L.P.
William Howard Karau
B28 - WORKING CEMENT, CLAY, OR STONE
Patents Applications
last 30 patents
Information
Patent Application
CONCRETE BLOCK SPLITTING AND PITCHING APPARATUS AND METHOD
Publication number
20100313868
Publication date
Dec 16, 2010
William Howard Karau
B28 - WORKING CEMENT, CLAY, OR STONE
Information
Patent Application
Concrete block splitting and pitching apparatus and method
Publication number
20080092870
Publication date
Apr 24, 2008
Pavestone Company, L.P.
William Howard Karau
B28 - WORKING CEMENT, CLAY, OR STONE