Inventor
YU YONGFEI
CN7 patents
⚠️ This page may combine multiple inventors who share the name “YU YONGFEI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ROE VISUAL CO LTD
5 patentsUSD804712SDec 5, 2017
LED display screen with a quick installation structure
ROE VISUAL CO LTD26 citations92
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
US10775656B2Sep 15, 2020
Guiding device and self-unloading anti-separation display device
ROE VISUAL CO LTD1 citations61