HY

Hung-Yung Yang

📍 Wang'an Town, TW: #231 of 480 inventorsTop 50%
Overall (All Time): #3,586,594 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6253877 Internal combustion engine pre-lubrication system — 2001-07-03