Inventor
LI ZHANQIANG
CN13 patents
Patents
13 patentsUSD804712SDec 5, 2017
LED display screen with a quick installation structure
ROE VISUAL CO LTD26 citations92
USD865222SOct 29, 2019
Modular display support frame
ROE VISUAL CO LTD14 citations84
USD822668SJul 10, 2018
Connector
ROE VISUAL CO LTD2 citations73
USD822666SJul 10, 2018
Connector
ROE VISUAL CO LTD4 citations73
USD821497SJun 26, 2018
LED display
ROE VISUAL CO LTD5 citations73
US10995787B2May 4, 2021
Quick locking piece and display screen assembly
ROE VISUAL CO LTD4 citations71
US10857656B2Dec 8, 2020
Leveling device and easy-to-level display screen
ROE VISUAL CO LTD2 citations71
US10713979B2Jul 14, 2020
Unloading device and self-unloading display device
ROE VISUAL CO LTD4 citations71
USD849726SMay 28, 2019
Modular video support frame member
ROE VISUAL CO LTD5 citations71
USD828971SSep 18, 2018
Hand cart
ROE VISUAL CO LTD3 citations71
USD817285SMay 8, 2018
Magnetic chuck
ROE VISUAL CO LTD3 citations71
US10775656B2Sep 15, 2020
Guiding device and self-unloading anti-separation display device
ROE VISUAL CO LTD1 citations61
USD822667SJul 10, 2018
Connector
ROE VISUAL CO LTD0 citations52