Global Positioning System apparatus; Electro-dynamic apparatus for the remote control of signals; Slide, photograph and transparency projection apparatus; Sound transmitting apparatus; Flashing safety lights; Telephone apparatus; Batteries, electric; Encoded identification bracelets, magnetic; Camcorders; Video telephones; Viewfinders, photographic; Video screens; Hands free kits for phones; Plotters; Light-emitting diodes; DNA chips; Coils, electric; Electromagnetic coils; Encoded identity c...