DH

Dongchen Huang

📍 Jiangyin, CN: #6 of 14 inventorsTop 45%
Overall (2021): #165,989 of 548,734Top 35%
2
Patents 2021

Issued Patents 2021

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
D935299 Triangular whetstone angle fixer 2021-11-09
D909169 Knife grinder 2021-02-02