Back supports for medical purposes; Cosmetic apparatus using ultrasound for performing aesthetic skin treatment procedures; Ear plugs for soundproofing; Electric scalp massagers for household use; Electrical stimulation apparatus for nerves, muscles, skin for physical therapy, rehabilitative and pain management purposes; Electronic aesthetic skin treatment devices using light emitting diodes, namely, infrared, red, orange, yellow, green, and blue wavelengths for generating light rays; Electro...