Dental handpieces; Dental instruments, namely, headlight, examination light and operating light; Gynecological medical instruments for examining women' s reproductive organs; Headlight lens modules for medical and surgical use; Intra-oral dental light system; Lasers for surgical and medical use; Light emitting devices, namely, lamps and LED devices for treatment of a variety of skin conditions; Light emitting diode (LED) devices for energy-efficient replacement of standard tungsten-filament l...