About 1 Trademarks found that are owned by Duan Changheng

Calculators; Pedometers; Saccharometers; Scales; Telescopes; Automatic pill counters; Car videorecorders; Densitometers not for medical use; Digital door locks; Distance measuring apparatus; Diving suits; Electric adapter cables; Electric door bells; Electrical adapters; Electronic collars to train animals; Electronic metering faucets; Electronic plotters; Global positioning system (GPS); Graphics tablets; Height measuring instruments; Indicator lights; Infrared sensors; Instruments for measuring length; Laser level measuring apparatus; Lasers for measuring purposes; Lasers, not for medical purposes; Lights for use on video cameras; Motion sensors; Motorcycle helmets; Plug adaptors; Pressure measuring apparatus; Safety helmets; Set-top boxes; Speedometer testers; Surveying instruments; Temperature sensors; Thermometers not for medical purposes; Tool measuring instruments; Tyre-pressure measurers; Video monitors; Water filter controllers; Wearable activity trackers; Power adapters