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Centering valve box adapter
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Patent number 8,047,221
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Issue date Nov 1, 2011
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David Tenor
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Gate valve sealing structure
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Patent number 7,703,474
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Issue date Apr 27, 2010
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Adaptor, Inc.
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Michael Gagas
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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Valve can extension
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Patent number 6,802,337
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Issue date Oct 12, 2004
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Ronald C. Phipps
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Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
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Gate valve box sealing
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Patent number 6,449,908
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Issue date Sep 17, 2002
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Michael Gagas
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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Underground access conduit
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Patent number 6,354,325
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Issue date Mar 12, 2002
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3 Dimensional Contracting, Inc.
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Kenneth F. Warnes
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E03 - WATER SUPPLY SEWERAGE
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Modular valve service box
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Patent number 5,634,488
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Issue date Jun 3, 1997
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CP Test Services - Valvco, Inc.
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Thomas J. Martin
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Valve box stabilizer
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Patent number 4,819,687
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Issue date Apr 11, 1989
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Joseph S. Alberico
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Gate valve adaptor
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Patent number 4,534,378
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Issue date Aug 13, 1985
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Adaptor, Inc.
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Michael S. Gagas
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Diverter valve for septic systems
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Patent number 4,217,933
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Issue date Aug 19, 1980
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Carlos V. Perry
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Sanitary diversion valve
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Patent number 4,044,789
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Issue date Aug 30, 1977
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John E. Elmore
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Diverter valve
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Patent number 4,036,249
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Issue date Jul 19, 1977
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Carlos V. Perry
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E03 - WATER SUPPLY SEWERAGE
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2879792
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Patent number 2,879,792
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Issue date Mar 31, 1959
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G05 - CONTROLLING REGULATING
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2099479
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Patent number 2,099,479
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Issue date Nov 16, 1937
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E03 - WATER SUPPLY SEWERAGE
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1710844
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Patent number 1,710,844
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Issue date Apr 30, 1929
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A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
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1325393
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Patent number 1,325,393
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Issue date Dec 16, 1919
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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1215250
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Patent number 1,215,250
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Issue date Feb 6, 1917
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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1000108
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Patent number 1,000,108
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Issue date Aug 8, 1911
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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996956
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Patent number 996,956
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Issue date Jul 4, 1911
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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961178
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Patent number 961,178
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Issue date Jun 14, 1910
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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621448
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Patent number 621,448
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Issue date Mar 21, 1899
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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484197
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Patent number 484,197
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Issue date Oct 11, 1892
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E03 - WATER SUPPLY SEWERAGE
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394733
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Patent number 394,733
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Issue date Dec 18, 1888
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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382960
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Patent number 382,960
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Issue date May 15, 1888
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E03 - WATER SUPPLY SEWERAGE