CC

Chi-Han Cheng

YM Yuan Mei: 7 patents #1 of 2Top 50%
📍 Zhumaoya, IL: #1 of 1 inventorsTop 100%
Overall (2020): #20,188 of 565,922Top 4%
7
Patents 2020

Issued Patents 2020

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
D900279 Sprinkler gun 2020-10-27
10807107 Control structure capable of adjusting water volume and controlling water supply 2020-10-20
D891581 Sprinkler gun 2020-07-28
10599121 Irrigation controller King-Yuan Wang 2020-03-24
D875517 Connect nut 2020-02-18
D874256 Connect nut 2020-02-04
D874257 Connect nut 2020-02-04