86142175
Dec 12, 2013
Mar 29, 2016
Active Trademark
RF tuning devices, namely, automatic impedance tuning networks; power supplies, namely, electrostatic chuck power supplies [ ; radio signal processing apparatus, namely, frequency synthesizers; directional wattmeters; radio signal processing apparatus, namely, radio frequency and direct current amplifiers; frequency converters, namely, balanced signal mixers for frequency conversion ]
Electrical and Scientific Apparatus