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David Neff
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Willoughby, OH, US
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Patents Grants
last 30 patents
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Patent Grant
Bonded particle filters
Patent number
7,157,043
Issue date
Jan 2, 2007
Pyrotek, Inc.
David Neff
B22 - CASTING POWDER METALLURGY
Patents Applications
last 30 patents
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Patent Application
Bonded particle filters
Publication number
20040123970
Publication date
Jul 1, 2004
Metaullics Systems Co. L.P.
David Neff
B22 - CASTING POWDER METALLURGY