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Air admittance valve
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Patent number 9,683,355
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Issue date Jun 20, 2017
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IPS Corporation
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Steven R. Cole
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E03 - WATER SUPPLY SEWERAGE
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Plug with pressure release valve
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Patent number 8,256,467
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Issue date Sep 4, 2012
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IPS Corporation
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Richard E. Larson
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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J-hook hanger assembly
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Patent number 7,441,729
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Issue date Oct 28, 2008
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IPS Corporation
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Jeffrey A. Humber
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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J-hook extension
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Patent number D551064
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Issue date Sep 18, 2007
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IPS Corporation
-
Jeffrey A. Humber
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D08 - Tools and hardware
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Small round ice box with nail
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Patent number D536349
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Issue date Feb 6, 2007
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IPS Corporation
-
Jeffrey A. Humber
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D15 - Machines not elsewhere specified
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Ice maker valve box
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Patent number 7,077,156
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Issue date Jul 18, 2006
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IPS Corporation
-
Jeffrey A. Humber
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Ice maker box
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Patent number D474483
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Issue date May 13, 2003
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IPS Corporation
-
Jeffrey A. Humber
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D15 - Machines not elsewhere specified
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Ice box
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Patent number D468328
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Issue date Jan 7, 2003
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IPS Corporation
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Jeffrey A. Humber
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D15 - Machines not elsewhere specified