HY

Huey-Wen Yang Yen

Overall (All Time): #2,180,779 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6901827 Quick-release socket adapter for T-shape socket wrench — 2005-06-07
6389934 Two directional operation wrench — 2002-05-21