Cosmetic apparatus using ultrasound for performing aesthetic skin treatment procedures; Cosmetic apparatus, namely, light based devices providing mainly pulsed light for performing non-ablative aesthetic skin treatment procedures; Dental curing lights; Electronic aesthetic skin treatment devices using light emitting diodes, namely, infrared, red, orange, yellow, green, and blue wavelengths for generating light rays; Electronic stimulation apparatus for nerves, skin and muscles for physical therapy purposes; Infrared radiator units for therapeutic purposes; Laser therapy helmets for treating alopecia; Lasers for the cosmetic treatment of the face, skin and hair follicles; LED masks for therapeutic purposes; Light emitting devices, namely, lamps and LED devices for treatment of a variety of skin conditions; Light emitting diode (LED) apparatus for lighting, incorporated into medical instruments; Medical devices for treating sleep disorders; Medical and therapeutic device and apparatus, namely, a force and motion sensing apparatus and assisted exercise machine for the rehabilitation of hands and wrists, feet and ankles, knees affected by neuromuscular diseases, disorders, or injuries for home or clinical use; Mouth exerciser for use in exercising and strengthening mouth and facial muscles for medical and beauty benefits; Phototherapeutic apparatus for medical purposes; Phototherapeutic apparatus for medical purposes, namely, a LED (light-emitting diode) light source for medical and aesthetic skin treatments; Phototherapeutic apparatus for the treatment of jaundice; Sensory light therapy unit; Therapeutic facial masks; Ultraviolet radiator units for therapeutic purposes