| CRYSTAL TRIODE Kelley, James
86480303 15 Dec 2014 | on 16 Jun 2015 | Electronic Circuits, in particular, electronic devices for use in ampl... Class 009 Class 009 Computer & Software Products & Electrical & Scientific Products Electronic Circuits, in particular, electronic devices for use in amplifier circuits | | | FETRON Kelley, James
86398497 18 Sep 2014 | on 16 Jun 2015 | Electronic Circuits, in particular, hybrid electronic devices for use ... Class 009 Class 009 Computer & Software Products & Electrical & Scientific Products Electronic Circuits, in particular, hybrid electronic devices for use in high voltage amplifier circuits | |