Patent Assignment
Reel/Frame 025609/0800
Change of Name
Recorded: 2011-01-10
Pages: 7
Assignor
SBC PROPERTIES, L.P.
Executed: 2007-10-02
Assignee
AT&T INTELLECTUAL PROPERTY I, L.P.
645 E. PLUMB LANE, RENO, NEVADA, 89502
Covered Properties
(2)
Enhanced Csu/Dsu (Channel Service Unit/Data Service Unit)
System and Method for Processing Data and Communicating Encrypted Data
Related Assignments
(2)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest
Jun 23, 2003
From: GONSALVES, BRIAN A.; JONES, KEN R.; CHEN, ZESEN
To: SBC PROPERTIES, L.P.
Reel/Frame 014211/0418 →
Assignment of Assignor's Interest
Apr 18, 2007
From: GONSALVES, BRIAN; JONES, KENNETH ROGER; CHEN, ZESEN
To: SBC PROPERTIES, L.P.
Reel/Frame 019274/0944 →