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Herbert Drapkin
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Hidden Hills, CA, US
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last 30 patents
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Patent Grant
Process for forming beeswax into a plastic article
Patent number
7,077,718
Issue date
Jul 18, 2006
Herbert Drapkin
A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
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Patent Grant
Honeycomb
Patent number
4,374,440
Issue date
Feb 22, 1983
Perma-Comb Systems, Inc.
Herbert Drapkin
A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING