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John Henry Nguyen
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Peoria, IL, US
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last 30 patents
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Patent Grant
Variable valve actuator having self-centering pivotal piston
Patent number
7,789,052
Issue date
Sep 7, 2010
Caterpillar Inc.
Mark Steven Ellison
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Patents Applications
last 30 patents
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Patent Application
Variable valve actuator having self-centering pivotal piston
Publication number
20090000581
Publication date
Jan 1, 2009
Mark Steven Ellison
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES