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In-lehr press bending
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Patent number 4,756,735
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Issue date Jul 12, 1988
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PPG Industries, Inc.
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William P. Cathers
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C03 - GLASS MINERAL OR SLAG WOOL
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Wire mesh press face cover
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Patent number 4,753,669
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Issue date Jun 28, 1988
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PPG Industries, Inc.
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Thomas J. Reese
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D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS
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Shaping glass sheets
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Patent number 4,043,785
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Issue date Aug 23, 1977
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PPG Industries, Inc.
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Thomas J. Reese
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C03 - GLASS MINERAL OR SLAG WOOL
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Shaping glass sheets
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Patent number 4,043,784
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Issue date Aug 23, 1977
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PPG Industries, Inc.
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Thomas J. Reese
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C03 - GLASS MINERAL OR SLAG WOOL