U.S. federal trademark · Serial No. 73027243 · Reg. No. 1025139
PHOTOTRANSISTORS AND OPTO-PAIRED SWITCHING COMPONENTS FOR COMPUTER CARD TAPE READERS, POSITION INDICATORS, AND SHAFT ENCODERS; PHOTOTRANSISTOR ARRAYS AND TRANSDUCERS FOR CARD/TAPE READOUTS AND PHOTOSENSING CONTROL ASSEMBLIES; SILICON PHOTOVOLTAIC CELLS AND ARRAYS FOR SOLAR ENERGY CONVERSION, LIGHT ACTUATED DEVICES AND COLOR DISCRIMINATION
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