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Patent applications and USPTO patent grants for Parker; Warde L..The latest application filed is for "free turbine type gas turbine engine with variable free turbine guide vane control system".
Patent | Date |
---|---|
Free turbine type gas turbine engine with variable free turbine guide vane control system Grant 4,197,699 - Parker , et al. April 15, 1 | 1980-04-15 |
Electrohydraulic proportional actuator apparatus Grant 4,177,713 - Lewis , et al. December 11, 1 | 1979-12-11 |
Electrohydraulic proportional actuator apparatus Grant 4,044,652 - Lewis , et al. August 30, 1 | 1977-08-30 |
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