About 2 Trademarks found that are owned by North Hills Signal Processing Corp

as to the words "NORTH HILLS"

Color is not claimed as a feature of the mark.

Custom manufacture of electrical signal processing circuits and equipment to the order and specification of others

Electrical signal processing circuits and equipment, namely transformers, baluns, ununs, impedance adaptors, power splitters and combiners, video and powerline isolators, balance bridges, return loss bridges, attenuators, terminations, data bus couplers, network testers, cable, connectors, dust caps, switching relays and harnesses