ST

SHIH-MING TUNG

Overall (All Time): #2,194,298 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6785383 Telephone line switch using an optocooupler Yuan-Neng Fan 2004-08-31
6295347 Apparatus and method for subscriber loop powered calling identity delivery on call waiting Yuan-Neng Fan 2001-09-25