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Patent applications and USPTO patent grants for Jefford; Robert D..The latest application filed is for "exhaust gas recirculation valve thrust collar".
Patent | Date |
---|---|
Exhaust Gas Recirculation Valve Thrust Collar App 20110139132 - Smith; Kristopher ;   et al. | 2011-06-16 |
Exhaust gas recirculation system module with integral vacuum Grant 7,814,893 - Jefford , et al. October 19, 2 | 2010-10-19 |
Pressure or temperature sensor control of a variable position exhaust throttle valve App 20080155962 - Williams; Ben ;   et al. | 2008-07-03 |
Exhaust gas recirculation system module with integral vacuum App 20080149079 - Jefford; Robert D. ;   et al. | 2008-06-26 |
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