ZZ

Zhi-Ren Zhong

WA Wonderland Switzerland Ag: 3 patents #9 of 43Top 25%
Overall (2019): #60,172 of 560,194Top 15%
3
Patents 2019

Issued Patents 2019

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
10479389 Collapsible seat assembly and a stroller with the same 2019-11-19
10479390 Collapsible seat assembly and a stroller with the same 2019-11-19
10414423 Stroller 2019-09-17