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Christopher Pfahl
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Vermilion, OH, US
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last 30 patents
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Patent Grant
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Patent number
8,601,783
Issue date
Dec 10, 2013
U.S. Tsubaki, Inc.
Christopher Pfahl
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Patents Applications
last 30 patents
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Patent Application
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Publication number
20110251004
Publication date
Oct 13, 2011
U.S. Tsubaki, Inc.
Christopher Pfahl
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...