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Expandable sealing mechanism
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Patent number 10,563,805
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Issue date Feb 18, 2020
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Press-Seal Corporation
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James W. Skinner
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Bell end adapter arrangement
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Patent number 10,473,253
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Issue date Nov 12, 2019
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S-P Products Inc.
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Peter A. Vrame
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Expandable sealing mechanism
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Patent number 9,644,768
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Issue date May 9, 2017
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Press-Seal Corporation
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James W. Skinner
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Connector gasket for concrete structures
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Patent number 7,392,989
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Issue date Jul 1, 2008
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S&B Technical Products, Inc.
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Bradford G. Corbett, Jr.
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Cam expansion ring assembly
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Patent number 7,350,827
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Issue date Apr 1, 2008
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Press-Seal Gasket Corporation
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Bryan N Zeigler
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Expansion ring assembly
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Patent number 7,146,689
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Issue date Dec 12, 2006
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Press-Seal Gasket Corporation
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Ronald W Neuhaus
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Expansion ring assembly
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Patent number 6,805,359
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Issue date Oct 19, 2004
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Press-Seal Gasket Corporation
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Ronald W. Neuhaus
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Band with slotted wedge cams
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Patent number 5,431,459
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Issue date Jul 11, 1995
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NPC, Inc.
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William P. Gundy
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Expandable seal arrangement
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Patent number 5,150,927
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Issue date Sep 29, 1992
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Press Seal Gasket Corporation
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William O. Skinner
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Band for effecting a seal
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Patent number 5,029,907
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Issue date Jul 9, 1991
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NPC, Inc.
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William P. Gundy
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E03 - WATER SUPPLY SEWERAGE
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Apparatus for pipe-to-manhole sealing
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Patent number 4,009,545
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Issue date Mar 1, 1977
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Merchants National Bank of Manchester
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John C. Rossborough
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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Pipe joint sealing device
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Patent number 3,973,783
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Issue date Aug 10, 1976
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Skinner; Harry W.
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Harry W. Skinner
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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3922107
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Issue date Nov 25, 1975
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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3874063
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Patent number 3,874,063
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Issue date Apr 1, 1975
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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3815214
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Patent number 3,815,214
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Issue date Jun 11, 1974
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B28 - WORKING CEMENT, CLAY, OR STONE
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3792879
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Patent number 3,792,879
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Issue date Feb 19, 1974
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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3787061
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Patent number 3,787,061
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Issue date Jan 22, 1974
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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3759280
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Patent number 3,759,280
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Issue date Sep 18, 1973
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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3758066
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Patent number 3,758,066
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Issue date Sep 11, 1973
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B28 - WORKING CEMENT, CLAY, OR STONE
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3744806
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Patent number 3,744,806
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Issue date Jul 10, 1973
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E03 - WATER SUPPLY SEWERAGE
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3663042
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Issue date May 16, 1972
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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3487140
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Patent number 3,487,140
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Issue date Dec 30, 1969
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B28 - WORKING CEMENT, CLAY, OR STONE