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Portable cofferdam system
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Patent number 11,149,401
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Issue date Oct 19, 2021
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Subsurface, Inc.
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Gary H. Strom
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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CIPP liner feeder system
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Patent number 11,092,276
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Issue date Aug 17, 2021
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Subsurface, Inc.
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Brandon Gregory Strom
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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CIPP liner feed roller
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Patent number 10,851,933
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Issue date Dec 1, 2020
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Subsurface, Inc.
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Jason M. Homrighaus
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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Portable cofferdam system
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Patent number 10,794,033
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Issue date Oct 6, 2020
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Subsurface, Inc.
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Gary H. Strom
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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CIPP liner reel system
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Patent number 10,550,988
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Issue date Feb 4, 2020
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Subsurface, Inc.
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Gary H. Strom
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Portable cofferdam system
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Patent number 10,435,860
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Issue date Oct 8, 2019
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Subsurface, Inc.
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Gary H. Strom
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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Portable cofferdam system
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Patent number 10,100,483
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Issue date Oct 16, 2018
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Subsurface, Inc.
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Gary H. Strom
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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Portable cofferdam system
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Patent number 9,945,091
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Issue date Apr 17, 2018
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Subsurface, Inc.
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Gary H. Strom
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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CIPP liner feeder system
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Patent number 9,534,726
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Issue date Jan 3, 2017
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Subsurface, Inc.
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Brandon Gregory Strom
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Portable Cofferdam System
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Publication number 20220034059
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Publication date Feb 3, 2022
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Subsurface, Inc.
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Gary H. Strom
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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CIPP Liner Feeder System
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Publication number 20210372555
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Publication date Dec 2, 2021
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Subsurface, Inc.
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Brandon Gregory Strom
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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CIPP Liner Feed Roller
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Publication number 20210071802
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Publication date Mar 11, 2021
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Subsurface, Inc.
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Jason M. Homrighaus
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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CIPP Liner Reel System
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Publication number 20200173601
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Publication date Jun 4, 2020
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Subsurface, Inc.
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Gary H. Strom
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Portable Cofferdam System
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Publication number 20200032475
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Publication date Jan 30, 2020
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Subsurface, Inc.
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Gary H. Strom
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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CIPP Liner Reel System
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Publication number 20180266615
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Publication date Sep 20, 2018
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Subsurface, Inc.
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Gary H. Strom
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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Portable Cofferdam System
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Publication number 20180230663
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Publication date Aug 16, 2018
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Subsurface, Inc.
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Gary H. Strom
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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Portable Cofferdam System
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Publication number 20180106008
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Publication date Apr 19, 2018
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Subsurface, Inc.
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Gary H. Strom
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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CIPP Liner Feeder System
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Publication number 20170108157
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Publication date Apr 20, 2017
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Subsurface, Inc.
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Brandon Gregory Strom
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...