XG

Xiaodan GUO

AT AT&T: 1 patents #10,626 of 18,772Top 60%
Overall (All Time): #3,332,716 of 4,157,543Top 85%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
7574437 Method for identifying new or recently changed telephone service Robert C. Hain, Ronald Mueller, William J. Infosino, John Gerow Ramage 2009-08-11