TC

Tse-Hua Chang

Overall (All Time): #2,117,037 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
7654886 Pneumatic grinder 2010-02-02
7226348 Air sander grinder 2007-06-05