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Filling wind for bobbin twisting
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Patent number 6,634,590
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Issue date Oct 21, 2003
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PPG Industries Ohio, Inc.
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Robert B. Rau
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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Yarn bobbin
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Patent number D292643
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Issue date Nov 10, 1987
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PPG Industries, Inc.
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H. Wayne Dick
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D03 - Travel goods and personal belongings
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Textile bobbin
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Patent number 4,600,165
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Issue date Jul 15, 1986
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PPG Industries, Inc.
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John B. Shoemaker
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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Textile bobbin
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Patent number 4,596,366
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Issue date Jun 24, 1986
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PPG Industries, Inc.
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H. Wayne Dick
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL