About 2 Trademarks found that are owned by Yanyan Cao

Armbands specially adapted for personal electronic devices, namely, mobile phones and MP3 players; Bags and cases specially adapted for holding or carrying portable telephones and telephone equipment and accessories; Carrying cases, holders, protective cases and stands featuring power supply connectors, adaptors, speakers and battery charging devices, specially adapted for use with handheld digital electronic devices, namely, cell phones, MP3 players and personal digital assistants; Cases for music, audio and related electronic equipment, namely, cases for audio tuners, audio receivers, amplifiers, tape players, compact disc players, MP3 controllers/players, audio mixers, audio speakers in the nature of music studio monitors, microphones, audio speakers, compact discs, audio tapes, portable computers, antennas, phonographic record players, audio recording equipment, and the cables associated with all of the foregoing equipment; Cell phone battery chargers; Cell phone battery chargers for use in vehicles; Desk or car mounted units incorporating a loudspeaker to allow a telephone handset to be used hands-free; Leather protective covers specially adapted for personal electronic devices, namely, cell phones, MP3 players and personal digital assistants; Mobile phone cases featuring rechargeable batteries; Smartphone mounts; Smartwatch bands; Stands for personal digital electronic devices, namely, cell phones, MP3 players and personal digital assistants; USB cables for cellphones; Wireless chargers; Wireless headsets for smartphones

Artificial Christmas trees; Bath toys; Chess pieces; Chest expanders; Christmas tree decorations; Crib toys; Fidget toys; Jigsaw puzzles; Knee guards for athletic use; Masquerade masks; Pet toys; Sand toys; Spring bar tension sets for use in exercising; Spring boards; Stuffed puppets; Swimming belts; Toy building blocks; Toy masks; Toy robots