John A. Lewis

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Detroit, MI, US

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Patents Grantslast 30 patents

Information Patent Grant
Exhaust gas recirculation valve malfunction indicator apparatus
- Patent number 4,044,734
- Issue date Aug 30, 1977
- Ford Motor Company
- John A. Lewis
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Engine deceleration vacuum differential valve control
- Patent number 3,955,364
- Issue date May 11, 1976
- Ford Motor Company
- John A. Lewis
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Engine exhaust gas recirculating control
- Patent number 3,930,475
- Issue date Jan 6, 1976
- Ford Motor Company
- John A. Lewis
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS