Inventor

PARKER WARDE L

US3 patents

Patents

3 patents

US4177713ADec 11, 1979

Electrohydraulic proportional actuator apparatus

GARRETT CORP22 citations78

US4197699AApr 15, 1980

Free turbine type gas turbine engine with variable free turbine guide vane control system

GARRETT CORP24 citations76

US4044652AAug 30, 1977

Electrohydraulic proportional actuator apparatus

GARRETT CORP28 citations76