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last 30 patents
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Patent Grant
Interactive high-clarity glass electronic whiteboard
Patent number
10,372,275
Issue date
Aug 6, 2019
Zhang Lu
G06 - COMPUTING CALCULATING COUNTING
Patents Applications
last 30 patents
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Patent Application
HIGH-DEFINITION FLICKER-FREE ETCHED GLASS, MANUFACTURING PROCESS TH...
Publication number
20210002166
Publication date
Jan 7, 2021
OPTON (SHUNCHANG) OPTICS CO., LTD
Zhang LU
H01 - BASIC ELECTRIC ELEMENTS
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Patent Application
INTERACTIVE HIGH-CLARITY GLASS ELECTRONIC WHITEBOARD
Publication number
20170168606
Publication date
Jun 15, 2017
Zhang LU
B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES