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David Martin Bielec
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Flat Rock, MI, US
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last 30 patents
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Patent Grant
Casting alloys and method of making composite barrels used in extru...
Patent number
6,197,437
Issue date
Mar 6, 2001
Wall Colmonoy Corporation
David Martin Bielec
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL