About 3 Trademarks found that are owned by Rockport Technologies Llc

Components specially adapted for the manufacture of loudspeaker cabinets, namely, molded loudspeaker cabinets

Hi-fi stereo speakers for home use

Audio speakers and audio equipment, namely, loudspeakers, amplifiers, and audio receivers, all of the foregoing specifically excluding computer hardware and software for distribution, manipulation and retrieval of sound over computer networks