Alarm monitoring systems; Chargers for electric batteries; Computer stands specially designed for holding a computer, printer and computer peripherals; Data processing equipment, namely, couplers; Electronic ultrasonic test equipment, namely, ultrasonic flaw detectors, thickness testers and hardness testers, for non-medical use; Mouse pads; Tool measuring instruments; Cash registers, calculating machines and data processing equipment and computers; Distance measuring apparatus; Electronic apparatus for electropysiological measurement and testing of cells; Electronic stud finders; Portable and handheld digital electronic devices for recording, organizing, transmitting, manipulating, and reviewing text, data, image, and audio files; Portable listening devices, namely, MP3 players; Protective covers and cases for cell phones, laptops and portable media players; Scientific apparatus and instruments for measuring relative DNA, RNA and protein and parts and fittings therefor; Television screen protectors in the nature of acrylic shields to be mounted over television screens; TV cameras; Video cameras