ZZ

Zhiqiang Zeeman Zhang

BP Bellsouth Intellectual Property: 2 patents #185 of 749Top 25%
AT AT&T: 1 patents #10,626 of 18,772Top 60%
📍 Marietta, GA: #687 of 2,233 inventorsTop 35%
🗺 Georgia: #10,365 of 35,610 inventorsTop 30%
Overall (All Time): #1,568,619 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
7711102 Automatically sequentially ringing alternative telephone numbers James A. Worsham, David A. Levine, Greg N. Patterson, Sunil H. Contractor, Ping Song 2010-05-04
7194080 Automatically sequentially ringing alternative telephone numbers James A. Worsham, David A. Levine, Greg N. Patterson, Sunil H. Contractor, Ping Song 2007-03-20
6868268 Audio calling name and number delivery James A. Worsham, David A. Levine, Greg N. Patterson 2005-03-15