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Philips and Du Pont Optical Company
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Wilmington, DE, US
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last 30 patents
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Patent Grant
Apparatus/and method for controlling an injection molding process p...
Patent number
5,176,859
Issue date
Jan 5, 1993
Philips and Du Pont Optical Company
Kenneth W. Leffew
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL