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Shaping glass sheets
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Patent number 5,093,177
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Issue date Mar 3, 1992
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PPG Industries, Inc.
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James G. Anderson
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B60 - VEHICLES IN GENERAL
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Method for cutting hot glass
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Patent number 4,891,054
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Issue date Jan 2, 1990
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PPG Industries, Inc.
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Jack A. Bricker
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C03 - GLASS MINERAL OR SLAG WOOL
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Discrete glass sheet cutting
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Patent number 4,749,400
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Issue date Jun 7, 1988
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PPG Industries, Inc.
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Raymond J. Mouly
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C03 - GLASS MINERAL OR SLAG WOOL
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