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Mark Douglas Ehresman
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Haverhill, MA, US
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Patents Grants
last 30 patents
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Patent Grant
Extraction of chordal test specimens from forgings
Patent number
8,338,736
Issue date
Dec 25, 2012
General Electric Company
Christophe Jude Day
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Patent Grant
Controlled apparatus for electrical discharge machining
Patent number
5,360,957
Issue date
Nov 1, 1994
General Electric Company
Kenneth B. Haefner
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Patents Applications
last 30 patents
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Patent Application
EXTRACTION OF CHORDAL TEST SPECIMENS FROM FORGINGS
Publication number
20100043517
Publication date
Feb 25, 2010
Christophe Jude Day
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR