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Mark W. Campbell
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Lafayette, IN, US
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last 30 patents
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Patent Grant
Coned-disc spring device, spring assembly, and methods of making th...
Patent number
9,976,617
Issue date
May 22, 2018
MW Industries, Inc.
Mark W. Campbell
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Patents Applications
last 30 patents
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Patent Application
THREADED FASTENER LOCK
Publication number
20140252705
Publication date
Sep 11, 2014
Mark W. Campbell
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC