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Quartztek Trademarks
QUARTZTEK
Ballasts for gas discharge lamps
Cancelled
·
July 31, 2012
·
85690863
·
QUARTZTEK
Frequency control products
Abandoned
·
May 17, 2004
·
76592597
·
QUARTZTEK
CRYSTALS FOR USE AS CIRCUIT ELEMENTS OR TO CONTROL THE FREQUENCY OF AN OSCILLATOR AND CRYSTAL FILTERS
Cancelled
·
January 24, 1989
·
73776520
·
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