XL

Xianfa Li

📍 Qingdao, CN: #94 of 649 inventorsTop 15%
Overall (2024): #103,440 of 561,600Top 20%
2
Patents 2024

Issued Patents 2024

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
D1036882 Baby bed Guoliang Zeng 2024-07-30
11871855 Device for taking care of infants, and driving mechanism 2024-01-16