YH

Yu-Fu Hsieh

Overall (2004): #33,211 of 270,089Top 15%
2
Patents 2004

Issued Patents 2004

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6796161 Fastening device of a punch assembly for a pneumatic tool — 2004-09-28
6684679 Pneumatic metal-work tool — 2004-02-03