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Zeltex Trademarks
ZELTEX
COMPUTER HARDWARE-NAMELY, DIGITAL-TO-ANALOG CONVERTERS, ANALOG-TO-DIGITAL CONVERTERS, MULTIPLEXERS AND PARTS THEREFOR
Expired
·
November 29, 1972
·
72442421
·
ZELTEX
SEMICONDUCTOR DEVICES-NAMELY, OPERATIONAL AMPLIFIERS; INSTRUMENT AMPLIFIERS; MULTIPLIERS; POWER SUPPLIES AND SAMPLE HOLD CIRCUITS
Expired
·
May 8, 1970
·
72359282
·
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