About 1 Trademarks found that are owned by Tu Chengzhao

Altimeters; Barometers; Binoculars; Cameras; Clinometers; Inclinometers; Microscopes; Telemeters; Telescopes; Chronographs for use as specialized time recording apparatuses; Electrical and electronic burglar alarms; Electronic numeric displays; Gradient indicators; Instruments for measuring length; Level indicators; Monopods for handheld digital electronic devices, namely, cell phones, MP3 players, and personal digital assistants; Range finders for cameras; Range finders for golf; Rechargeable batteries; Safety goggles; Sighting telescopes for firearms; Slide calipers; Slope indicators; Surveying instruments; Telescopic sights for artillery; Telescopic sights for firearms; Theft alarms; Thermal imaging cameras; Video screens; Weighing scales; Reflecting telescopes; Tool measuring instruments