DP

D. Mark Parrish

AT AT&T: 3 patents #5,550 of 18,772Top 30%
Overall (All Time): #1,563,694 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
8018920 Technique for providing intelligent features for calls in a communications network independent of network architecture Chaker T. Al Hakim, William M. Hoffman, Leonard S. Kelter, Barbara Joanne Kittredge, James J. Mansell +2 more 2011-09-13
7616623 Technique for providing intelligent features for calls in a communications network independent of network architecture Chaker T. Al Hakim, William M. Hoffman, Leonard S. Kelter, Barbara Joanne Kittredge, James J. Mansell +2 more 2009-11-10
6954455 Technique for providing intelligent features for calls in a communications network independent of network architecture Chaker T. Al Hakim, William M. Hoffman, Leonard S. Kelter, Barbara Joanne Kittredge, James J. Mansell +2 more 2005-10-11