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Howard Merriam
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Minneapolis, MN, US
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last 30 patents
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Patent Grant
Permeable paver block
Patent number
D693482
Issue date
Nov 12, 2013
Studio5051, LLC
Howard Merriam
D25 - Building units and construction elements
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Patent Grant
Permeable paver block
Patent number
D674115
Issue date
Jan 8, 2013
Studio5051, LLC
Howard Merriam
D25 - Building units and construction elements