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LED display device
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Patent number 10,755,623
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Issue date Aug 25, 2020
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LEYARD OPTOELECTRONIC CO., LTD.
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Jianzhou Gou
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H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
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3D display device and method
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Patent number 10,437,197
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Issue date Oct 8, 2019
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LEYARD OPTOELECTRONIC CO., LTD.
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Changjun Lu
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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LED display screen
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Patent number 9,897,295
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Issue date Feb 20, 2018
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LEYARD OPTOELECTRONIC CO., LTD.
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Dingfang Wang
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G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
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LED display system
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Patent number 9,733,401
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Issue date Aug 15, 2017
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LEYARD OPTOELECTRONIC CO., LTD.
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Longhu Zhang
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G02 - OPTICS
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Fixing device
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Patent number 9,642,458
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Issue date May 9, 2017
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LEYARD OPTOELECTRONICS CO., LTD.
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Jie Wang
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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LED display
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Patent number 9,355,589
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Issue date May 31, 2016
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LEYARD OPTOELECTRONIC CO., LTD.
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Changjun Lu
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G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
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LED DISPLAY DEVICE
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Publication number 20190295459
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Publication date Sep 26, 2019
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LEYARD OPTOELECTRONIC CO., LTD.
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Jianzhou GOU
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G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
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3D DISPLAY DEVICE AND METHOD
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Publication number 20180356767
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Publication date Dec 13, 2018
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LEYARD OPTOELECTRONIC CO., LTD.
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Changjun LU
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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LED DISPLAY SCREEN
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Publication number 20170321870
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Publication date Nov 9, 2017
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LEYARD OPTOELECTRONIC CO., LTD.
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DINGFANG WANG
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F21 - LIGHTING
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WAFER CIRCUIT
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Publication number 20170025376
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Publication date Jan 26, 2017
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LEYARD OPTOELECTRONIC CO., LTD.
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Changjun LU
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H01 - BASIC ELECTRIC ELEMENTS
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LED DISPLAY SYSTEM
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Publication number 20150355391
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Publication date Dec 10, 2015
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LEYARD OPTOELECTRONIC CO., LTD.
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Longhu Zhang
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G02 - OPTICS
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LED Display
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Publication number 20150310800
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Publication date Oct 29, 2015
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LEYARD OPTOELECTRONIC CO., LTD.
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Changjun Lu
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H01 - BASIC ELECTRIC ELEMENTS
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LED Driving Circuit and Control System
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Publication number 20150302796
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Publication date Oct 22, 2015
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LEYARD OPTOELECTRONIC CO., LTD.
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Changjun LU
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G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
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LED DISPLAY
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Publication number 20150302792
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Publication date Oct 22, 2015
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LEYARD OPTOELECTRONIC CO., LTD.
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Changjun LU
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G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
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79399435 - LEYARD A3
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Serial number 79399435
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Filing date May 8, 2024
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LEYARD OPTOELECTRONIC CO., LTD.
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9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
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79357124 - LEYARD A3
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Serial number 79357124
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Filing date Sep 20, 2022
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LEYARD OPTOELECTRONIC CO., LTD.
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9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
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79332158 - LEYARD
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Serial number 79332158
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Registration number 7077542
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Filing date Nov 16, 2021
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Leyard Optoelectronic Co., Ltd
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11 - Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes
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79301370 - OPTITRACK
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Serial number 79301370
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Registration number 6714886
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Filing date Jun 23, 2020
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Leyard Optoelectronic Co., Ltd.
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28 - Games and playthings
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79282346
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Serial number 79282346
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Registration number 6382713
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Filing date Dec 27, 2019
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Leyard Optoelectronic Co., Ltd.
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9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
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79206297 - LEYARD
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Serial number 79206297
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Registration number 5483075
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Filing date Oct 25, 2016
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LEYARD OPTOELECTRONIC CO., LTD.
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9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
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87066316 - LEYARD
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Serial number 87066316
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Registration number 5398994
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Filing date Jun 9, 2016
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Leyard Optoelectronic Co., Ltd
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9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
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87066328 - LEYARD
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Serial number 87066328
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Registration number 6295378
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Filing date Jun 9, 2016
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Leyard Optoelectronic Co., Ltd
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9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments