Pittsburgh, PA, US
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Patent Grant
PPG Industries Ohio, Inc.
Philip L. Schell
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Patent Grant
PPG Industries Ohio, Inc.
Philip L. Schell
C03 - GLASS MINERAL OR SLAG WOOL
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Patent Grant
PPG Industries Ohio, Inc.
Narasimhan Raghupathi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Patent Grant
PPG Industries Ohio, Inc.
Mikhail M. Girgis
G02 - OPTICS
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Patent Grant
PPG Industries, Inc.
Philip L. Schell
C03 - GLASS MINERAL OR SLAG WOOL
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Patent Grant
PPG Industries, Inc.
Philip L. Schell
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Patent Grant
PPG Industries, Inc.
Earl P. Carley
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
