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Tuft weighing machine
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Patent number 5,459,288
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Issue date Oct 17, 1995
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Hubert A. Hergeth
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G01 - MEASURING TESTING
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3362585
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Patent number 3,362,585
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Issue date Jan 9, 1968
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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2637434
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Patent number 2,637,434
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Issue date May 5, 1953
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G01 - MEASURING TESTING
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2343722
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Patent number 2,343,722
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Issue date Mar 7, 1944
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C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
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2279475
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Patent number 2,279,475
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Issue date Apr 14, 1942
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G01 - MEASURING TESTING
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1992716
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Patent number 1,992,716
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Issue date Feb 26, 1935
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G01 - MEASURING TESTING