About 3 Trademarks found that are owned by Li Zhigang

The wording Mamgoak has no meaning in a foreign language.

Earphones; Field-glasses; Audio equipment for vehicles, namely, stereos, speakers, amplifiers, equalizers, crossovers and speaker housings; Boom boxes; Chargers for electric batteries; Consumer electronic products, namely, audio amplifiers, audio speakers, audio receivers, electrical audio and speaker cables and connectors, audio decoders, video decoders, speakers, power conversion devices, power converters, and power inverters; Digital video cameras; Electric relays; Electric shaver chargers; Electrical sockets; Game headphones; Iris recognition security devices; Optical or telescopic lens sights; Photographic cameras; Power switches; Protective helmets; Reflective safety vests; Sunglass lenses; Three dimensional (3D) scanners; Virtual reality headsets

Condoms; Pessaries; Blood oxygen monitors; Infrared thermometers for medical purposes; Massage apparatus; Nipples for baby bottles; Orthopaedic belts; Orthopaedic soles; Respiratory masks for medical purposes; Sanitary masks for medical purposes; Sex toys; Stethoscopes and sphygmomanometers; Thermometers for medical purposes; Toe separators for orthopaedic purposes