U.S. federal trademark · Serial No. 73726034 · Reg. No. 1519650
PIEZO-ELECTRIC SPARK IGNITION UNITS, ELECTRONICALLY GENERATED SPARK IGNITION UNITS, HOT SURFACE IGNITION UNITS ALL FOR USE WITH NATURAL AND BOTTLED GAS APPLICATIONS, CERAMIC RESONATORS, CERAMIC BANDPASS FILTERS; PIEZO-ELECTRIC TRANSDUCERS AND PIEZO-METERS
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