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Modular Stormwater Storage System
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Publication number 20140105684
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Publication date Apr 17, 2014
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Kristar Enterprises, Inc.
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Douglas Paul Allard
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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Fixture Cells for Bioretention Systems
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Publication number 20130213869
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Publication date Aug 22, 2013
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Kristar Enterprises, Inc.
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Douglas Paul Allard
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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Low profile catch basin filter
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Publication number 20090250405
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Publication date Oct 8, 2009
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Kristar Enterprises, Inc.
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Douglas Allard
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E03 - WATER SUPPLY SEWERAGE
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Trench drain filter assembly
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Publication number 20070274784
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Publication date Nov 29, 2007
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Douglas Paul Allard
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Erosion control barrier
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Publication number 20060133897
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Publication date Jun 22, 2006
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Douglas Paul Allard
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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Trench drain filter assembly
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Publication number 20060078387
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Publication date Apr 13, 2006
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Douglas Paul Allard
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Downspout filter
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Publication number 20050109693
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Publication date May 26, 2005
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Douglas Allard
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Prefilter for water treatment
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Publication number 20040173522
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Publication date Sep 9, 2004
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Douglas Allard
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C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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Chitosan enhanced dewatering bag
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Publication number 20030136719
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Publication date Jul 24, 2003
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Douglas Paul Allard
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Trench drain filtration system
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Publication number 20020159838
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Publication date Oct 31, 2002
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Douglas Paul Allard
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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