73257110
Apr 4, 1980
Dec 15, 1981
Aircraft Switches; Aircraft Instruments-Namely, Altimeters, Altimeter/Encoders, Airspeed Indicators, Rate of Climb Indicators, Mach Meters and Pressure Indicators; Encoders; Warning Systems-Namely, Altitude Alert Systems; Transducers; Power Converters; Digital and Analog Displays for Use in Aircraft; and Structural Parts Thereof
Electrical and Scientific Apparatus