Robert C. Johnson

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Dearborn, MI, US

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Patents Grantslast 30 patents

Information Patent Grant
Portable hand-held voltage sensor with manually adjustable referenc...
- Patent number 4,634,971
- Issue date Jan 6, 1987
- Ford Motor Company
- Robert C. Johnson
- G01 - MEASURING TESTING
Information Patent Grant
Ignition system tester
- Patent number 4,449,100
- Issue date May 15, 1984
- Ford Motor Company
- Robert C. Johnson
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS