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Glenn W. Heffner
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Wilmington, DE, US
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last 30 patents
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Patent Grant
Extrusion process and product
Patent number
7,579,418
Issue date
Aug 25, 2009
E. I. Du Pont de Nemours and Company
Patrick Anthony DeFeo
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Patents Applications
last 30 patents
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Patent Application
Extrusion process and product
Publication number
20040232580
Publication date
Nov 25, 2004
Patrick Anthony Defeo
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL