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Gas shut-off device
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Patent number 6,733,276
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Issue date May 11, 2004
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Jeffrey R. Kopping
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F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
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Flue damper control system
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Patent number 4,570,847
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Issue date Feb 18, 1986
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Emhart Industries, Inc.
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Michael T. Clouser
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F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
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Timing device for fluid valve
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Patent number 4,118,005
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Issue date Oct 3, 1978
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Amerace Corporation
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Charles P. O'Neil
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F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
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Portable heating apparatus
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Patent number 4,083,673
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Issue date Apr 11, 1978
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General Time Corporation
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Ralph C. Robinson
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B60 - VEHICLES IN GENERAL
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Timing device for fluid valve
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Patent number 4,068,682
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Issue date Jan 17, 1978
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Amerace Corporation
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Charles P. O'Neil
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F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
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Catalytic heating unit
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Patent number 3,963,409
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Issue date Jun 15, 1976
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William J. Casto
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F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
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3905746
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Patent number 3,905,746
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Issue date Sep 16, 1975
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A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
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3814569
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Patent number 3,814,569
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Issue date Jun 4, 1974
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F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
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3803923
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Patent number 3,803,923
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Issue date Apr 16, 1974
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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3744954
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Patent number 3,744,954
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Issue date Jul 10, 1973
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F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
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3644748
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Patent number 3,644,748
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Issue date Feb 22, 1972
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F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
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3532450
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Patent number 3,532,450
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Issue date Oct 6, 1970
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F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
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3518034
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Patent number 3,518,034
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Issue date Jun 30, 1970
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F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES