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Eric P. Hatfield
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Montgomery, OH, US
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last 30 patents
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Patent Grant
Machine direction oriented high molecular weight, high density poly...
Patent number
6,391,411
Issue date
May 21, 2002
Printpack Illinois, Inc.
Louis R. Duckwall
B32 - LAYERED PRODUCTS
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Patent Grant
Method and apparatus for forming tubular plastic film
Patent number
5,531,952
Issue date
Jul 2, 1996
James River Paper Company, Inc.
Eric P. Hatfield
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL