Inventor

GOODFRIEND HARVEY J

2 patents

Patents

2 patents

US4064747ADec 27, 1977

Relative and sub-cyclic speed measurements for internal combustion engine diagnostics

UNITED TECHNOLOGIES CORP43 citations88

US4061026ADec 6, 1977

Full throttle, specific speed tests in internal combustion engine diagnostics

UNITED TECHNOLOGIES CORP11 citations71