Calculating machines; Calculators; Calculators and calculating machines; Computer keyboard controllers; Computer keyboard keycaps; Computer keyboards; Computer terminals, keyboards and document printers; Keyboard and print out apparatus for use with computers; Keyboard covers; Mouse pads; Covers for computer keyboards; Disposable keyboard covers; Electronic calculators; Pocket calculators; Radio receivers and transmitters for monitoring and controlling light emitting diodes in a network of street lights and for processing emergency signals transmitted to individual street lights; Rotating lights; Traffic-light apparatus
Electrical and Scientific Apparatus