YF

Yuanfeng FENG

Overall (All Time): #1,767,301 of 4,157,543Top 45%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
12016463 Sofa with turnable backrest Renfei Wang, Linlin Wu, Zhiyu Wang 2024-06-25
11766123 Unfolding device of sofa Sheng-Feng Wang, Linlin Wu, Zhiyu Wang 2023-09-26