Close-up lenses; Covers for smartphones; Eyeglass frames; Eyeglasses; Filters for ultraviolet rays, for photography; Flashlights for use in photography; Global positioning system (GPS) consisting of computers, computer software, transmitters, receivers, and network interface devices; Microscopes; Optical glasses; Optical lenses; Photographic viewfinders; Pince-nez; Reflectors for telescopes; Refractometers; Telescopes; Wearable activity trackers

'activ':53 'close':2 'close-up':1 'comput':28,29 'consist':26 'cover':5 'devic':36 'eyeglass':8,10 'filter':11 'flashlight':17 'frame':9 'glass':39 'global':22 'gps':25 'interfac':35 'lens':4,41 'microscop':37 'network':34 'nez':46 'optic':38,40 'photograph':42 'photographi':16,21 'pinc':45 'pince-nez':44 'posit':23 'ray':14 'receiv':32 'reflector':47 'refractomet':50 'smartphon':7 'softwar':30 'system':24 'telescop':49,51 'tracker':54 'transmitt':31 'ultraviolet':13 'use':19 'viewfind':43 'wearabl':52

ZUAN SHI YAN

Owners

Goods & Services