IP Library › Assignment 013662/0891
Patent Assignment
Reel/Frame 013662/0891

Assignment of Assignor's Interest

Recorded: 2003-01-13 Pages: 5
Assignors
HALPERN, JACKIE A.
Executed: 2003-01-10
BERELIAN, ELIAS
Executed: 2003-01-10
Assignee
SBC PROPERTIES, L.P.
645 E. PLUMB LANE, RENO, NEVADA, 89502
Covered Property (1)
System and Method for Determining Characteristics of International Calls
Patent: 7,602,891 →
Application: 10/217,743 →
Publication: US 2004/0203650
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name Nov 11, 2007
From: SBC PROPERTIES, L.P.
To: SBC KNOWLEDGE VENTURES, L.P.
Reel/Frame 020094/0530 →
Change of Name Nov 18, 2007
From: SBC KNOWLEDGE VENTURES, L.P.
To: AT&T KNOWLEDGE VENTURES, L.P.
Reel/Frame 020129/0242 →