HW

Hung-Yin Wei

Overall (2003): #63,551 of 273,478Top 25%
2
Patents 2003

Issued Patents 2003

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6591717 Plum blossom-shaped ratchet wrench structure 2003-07-15
6516691 Racheting tool with a tapered spring positioning member 2003-02-11