Micrometers; Telescopes; Timers; Bicycle speedometers; Biometric fingerprint door locks; Calculators and calculating machines; Candy thermometers; Earphones and headphones; Electric bark control dog collars; Electric bark control dog collars featuring static electricity; Electronic collars to train animals; Electronic door alarms; Electronic LED signs; Electronic weighing scales for kitchen use; Electronically operated high security lock cylinders; Life jackets for pets; Punched card machines...