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John M. Emerson
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College Corner, OH, US
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Patents Grants
last 30 patents
Information
Patent Grant
Split rethreading tap
Patent number
9,227,256
Issue date
Jan 5, 2016
John M. Emerson
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Split rethreading die
Patent number
8,047,923
Issue date
Nov 1, 2011
John M. Emerson
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Patents Applications
last 30 patents
Information
Patent Application
SPLIT RETHREADING TAP
Publication number
20140147223
Publication date
May 29, 2014
John M. Emerson
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Split rethreading die
Publication number
20090298600
Publication date
Dec 3, 2009
John M. Emerson
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR