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Chen-Chun Kao
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East Peoria, IL, US
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last 30 patents
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Patent Grant
EDM process for manufacturing reverse tapered holes
Patent number
7,572,997
Issue date
Aug 11, 2009
Caterpillar Inc.
Chen Chun Kao
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Patents Applications
last 30 patents
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Patent Application
EDM process for manufacturing reverse tapered holes
Publication number
20080203069
Publication date
Aug 28, 2008
Chen-Chun Kao
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR