About 1 Trademarks found that are owned by Yang Congyan

Closed circuit TV systems for security and surveillance, namely, cameras, switchers, monitors, microphones, and recorders; Computer peripheral apparatus; Laser rangefinders; Loudspeakers, headphones, microphones and CD players; Projectors particularly projectors for the entertainment industry; Remotely-controlled sub-aquatic video camera containing a TV camera, transmitter, receiver and microphone to record, detect, measure, survey and locate objects underwater; Sound bars; Speaker enclosures; Stands for personal digital electronic devices, namely, cell phones, MP3 players, personal digital assistants,; Wireless chargers