MH

Ming-Jen Hsieh

Overall (2005): #42,516 of 245,428Top 20%
2
Patents 2005

Issued Patents 2005

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6923588 Retractile mechanism for refill of writing instrument 2005-08-02
6921224 Retractile mechanism for refill of writing instrument 2005-07-26