John M. Emerson

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College Corner, OH, US

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Patents Grantslast 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 Applicationslast 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