SC

Sang-Kohn Chang

Overall (All Time): #2,171,901 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
7090493 Dental implant system 2006-08-15
6517349 Manual hand ratch reamer for dentist 2003-02-11