Inventor

ZIMMERMAN WILEY E

US3 patents

Patents

3 patents

US4409824AOct 18, 1983

Fatigue gauge for drill pipe string

CONOCO INC40 citations88

US4264950AApr 28, 1981

Intrinsically safe regulated power supply

CONOCO INC4 citations58

US4464564AAug 7, 1984

Current controller for heating stage on leitz microscope

CONOCO INC3 citations51