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Flat glass shipping rack
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Patent number 4,320,836
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Issue date Mar 23, 1982
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PPG Industries, Inc.
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William J. Brown
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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Bow and spreader bar
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Patent number 4,248,472
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Issue date Feb 3, 1981
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PPG Industries, Inc.
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William J. Brown
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B60 - VEHICLES IN GENERAL
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Bow and spreader bar
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Patent number 4,188,168
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Issue date Feb 12, 1980
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PPG Industries, Inc.
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William J. Brown
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B60 - VEHICLES IN GENERAL