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Paul R. Tufts
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Eagan, MN, US
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last 30 patents
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Patent Grant
System of blocks for use in forming a free standing wall
Patent number
7,743,574
Issue date
Jun 29, 2010
Anchor Wall Systems, Inc.
Paul R. Tufts
E04 - BUILDING
Information
Patent Grant
Retaining wall block system
Patent number
7,037,047
Issue date
May 2, 2006
Anchor Wall Systems, Inc.
Paul R. Tufts
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Grant
Concrete block with batter indicators
Patent number
6,953,309
Issue date
Oct 11, 2005
Anchor Wall Systems, Inc.
Paul R. Tufts
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Patents Applications
last 30 patents
Information
Patent Application
System of blocks for use in forming a free standing wall
Publication number
20060179777
Publication date
Aug 17, 2006
Paul R. Tufts
E04 - BUILDING