EC

E. Lee Chang

AT AT&T: 3 patents #5,550 of 18,772Top 30%
Overall (All Time): #1,537,489 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
8917259 Muti-touch interfaces for user authentication, partitioning, and external device control Madhur Khandelwal, Linda Roberts, Sharon E. Carter 2014-12-23
8339374 Multi-touch interfaces for user authentication, partitioning, and external device control Madhur Khandelwal, Linda Roberts, Sharon E. Carter 2012-12-25
8009147 Multi-touch interfaces for user authentication, partitioning, and external device control Madhur Khandelwal, Linda Roberts, Sharon E. Carter 2011-08-30