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Fire apparatus valve
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Patent number 4,589,439
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Issue date May 20, 1986
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Task Force Tips Incorporated
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Robert W. Steingass
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Erosion resistant valve
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Patent number 4,292,991
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Issue date Oct 6, 1981
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Masoneilan International, Inc.
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Paul Wing
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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3791360
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Patent number 3,791,360
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Issue date Feb 12, 1974
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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3774632
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Patent number 3,774,632
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Issue date Nov 27, 1973
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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3758072
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Patent number 3,758,072
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Issue date Sep 11, 1973
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E21 - EARTH DRILLING MINING
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3412563
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Patent number 3,412,563
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Issue date Nov 26, 1968
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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2965131
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Patent number 2,965,131
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Issue date Dec 20, 1960
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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2770249
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Patent number 2,770,249
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Issue date Nov 13, 1956
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A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
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2612904
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Patent number 2,612,904
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Issue date Oct 7, 1952
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E03 - WATER SUPPLY SEWERAGE
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2557785
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Patent number 2,557,785
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Issue date Jun 19, 1951
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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2548071
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Patent number 2,548,071
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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2380705
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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2003915
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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1683902
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Patent number 1,683,902
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Issue date Sep 11, 1928
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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1364060
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Patent number 1,364,060
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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1002432
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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946914
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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915544
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Patent number 915,544
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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890609
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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582357
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Issue date May 11, 1897
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A62 - LIFE-SAVING FIRE-FIGHTING
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417275
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Patent number 417,275
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Issue date Dec 17, 1889
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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286148
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Issue date Oct 2, 1883
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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240369
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Patent number 240,369
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Issue date Apr 19, 1881
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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144692
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Patent number 144,692
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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134126
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Patent number 134,126
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Issue date Dec 24, 1872
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...