YZ

Yueling Zhang

SC Shanghai 21St Century Electronic Equipment Co.: 1 patents #2 of 2Top 100%
Overall (All Time): #555,087 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
D942279 Metal detector 2022-02-01
D881033 Metal detector 2020-04-14
D881034 Metal detector 2020-04-14
D881035 Metal detector 2020-04-14
D881037 Metal detector 2020-04-14
D881036 Metal detector 2020-04-14
D846411 Metal detector 2019-04-23
D844463 Metal detector control box 2019-04-02
D729915 Gas fire pit 2015-05-19