HL

Hongfeng Li

📍 Shandong, CN: #177 of 611 inventorsTop 30%
Overall (2025): #366,612 of 469,880Top 80%
1
Patents 2025

Issued Patents 2025

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
D1094563 Throwing dart toy — 2025-09-23