Patent Assignment
Reel/Frame 033447/0033
Change of Name
Recorded: 2014-07-30
Pages: 5
Assignor
SBC PROPERTIES, L.P.
Executed: 2006-02-24
Assignee
AT&T INTELLECTUAL PROPERTY I, L.P.
675 W. PEACHTREE STREET, SUITE 4000, ATLANTA, GEORGIA, 30308
Covered Property
(1)
Systems and Methods of Measuring Communication Performance
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.