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Method of making spacer stock
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Patent number 5,761,946
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Issue date Jun 9, 1998
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PPG Industries, Inc.
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Stephen C. Misera
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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Vacuum insulating unit
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Patent number 5,124,185
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Issue date Jun 23, 1992
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PPG Industries, Inc.
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Thomas P. Kerr
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E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
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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.
-
Jack A. Bricker
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C03 - GLASS MINERAL OR SLAG WOOL