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Dual-piston pump apparatus
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Patent number 5,479,847
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Issue date Jan 2, 1996
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Marlen Research Corporation
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Richard G. Powers
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Food pump
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Patent number 5,464,338
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Issue date Nov 7, 1995
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Marlen Research Corporation
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Richard G. Powers
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A22 - BUTCHERING MEAT TREATMENT PROCESSING POULTRY OR FISH
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Sizer apparatus having shiftable horn
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Patent number 5,104,348
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Issue date Apr 14, 1992
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Marlen Research Corporation
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Richard G. Powers
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A22 - BUTCHERING MEAT TREATMENT PROCESSING POULTRY OR FISH
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Double piston portioning apparatus
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Patent number 5,071,326
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Issue date Dec 10, 1991
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Marlen Research Corporation
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William R. Wright
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Slide plate patty forming apparatus
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Patent number 4,987,643
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Issue date Jan 29, 1991
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Marlen Research Corporation
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Richard G. Powers
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A22 - BUTCHERING MEAT TREATMENT PROCESSING POULTRY OR FISH
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Compact twin piston pump
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Patent number 4,884,594
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Issue date Dec 5, 1989
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Marlen Research Corporation
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Richard G. Powers
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Compact twin piston pump
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Patent number 4,869,653
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Issue date Sep 26, 1989
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Marlen Research Corporation
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Richard G. Powers
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Compact twin piston pump
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Patent number 4,869,655
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Issue date Sep 26, 1989
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Marlen Research Corporation
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Richard G. Powers
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Jet knife structure
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Patent number 4,708,296
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Issue date Nov 24, 1987
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Marlen Research Corporation
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Richard G. Powers
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B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
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