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Fluid handling system
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Patent number 4,178,240
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Issue date Dec 11, 1979
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Harry E. Pinkerton
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Proportioning fluids
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Patent number 4,096,059
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Issue date Jun 20, 1978
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Harry E. Pinkerton
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Proportioning fluids
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Patent number 4,037,616
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Issue date Jul 26, 1977
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Harry Pinkerton
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Valveless positive displacement pump
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Patent number 4,008,003
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Issue date Feb 15, 1977
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Harry E. Pinkerton
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...