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Rotary valve
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Patent number 4,351,362
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Issue date Sep 28, 1982
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Owatonna Tool Company
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James C. Solie
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Pilot-operated valve structure
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Patent number 4,145,957
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Issue date Mar 27, 1979
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Owatonna Tool Company
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Samuel B. McClocklin
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F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
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Two-stage pump
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Patent number 4,105,369
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Issue date Aug 8, 1978
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Owatonna Tool Company
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Samuel B. McClocklin
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Control valve
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Patent number 4,083,381
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Issue date Apr 11, 1978
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Owatonna Tool Company
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Samuel B. McClocklin
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F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
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Valve assembly
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Patent number 4,073,315
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Issue date Feb 14, 1978
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Owatonna Tool Company
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Samuel B. McClocklin
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Rotary valve
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Patent number 4,049,019
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Issue date Sep 20, 1977
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Owatonna Tool Company
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Samuel B. McClocklin
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Low speed pump
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Patent number 3,992,131
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Issue date Nov 16, 1976
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Owatonna Tool Company
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James I. Masterman
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Swing clamp
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Patent number 3,967,817
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Issue date Jul 6, 1976
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Owatonna Tool Company
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Samuel B. McClocklin
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B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
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Waste compactor
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Patent number 3,943,843
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Issue date Mar 16, 1976
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Owatonna Tool Company
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Richard W. Steinberg
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B30 - PRESSES
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Adjustable work support
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Patent number 3,938,798
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Issue date Feb 17, 1976
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Owatonna Tool Company
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James C. Solie
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR