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James B. Lewis
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Novi, MI, US
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last 30 patents
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Patent Grant
Valve system
Patent number
8,991,353
Issue date
Mar 31, 2015
GM Global Technology Operations LLC
James B. Lewis
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Patents Applications
last 30 patents
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Patent Application
VALVE SYSTEM
Publication number
20130276728
Publication date
Oct 24, 2013
GM GLOBAL TECHNOLOGY OPERATIONS LLC
James B. Lewis
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES