PC

Poh-Heng Chang

📍 Melaka City, MY: #1 of 1 inventorsTop 100%
Overall (1997): #27,263 of 185,788Top 15%
2
Patents 1997

Issued Patents 1997

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5674133 Structure of golf club head Chung-Jong Sung 1997-10-07
5669826 Structure of golf club head Chung-Jong Sung 1997-09-23