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Quick clean-up dual piston pump
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Patent number 5,553,985
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Issue date Sep 10, 1996
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Marlen Research Corporation
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Warren R. Schack
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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Vacuumizer valve assembly
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Patent number 5,102,094
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Issue date Apr 7, 1992
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Marlen Research Corporation
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Kevin A. Washam
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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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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Portioning apparatus
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Patent number 5,029,735
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Issue date Jul 9, 1991
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Marlen Research Corporation
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Wendell E. Dennis
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A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
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