IP Library Assignment 027749/0040
Patent Assignment
Reel/Frame 027749/0040

Assignment of Assignor's Interest

Recorded: 2012-02-23 Pages: 22
Assignors
BLANCHARD, HARRY E.
Executed: 2007-05-09
LEWIS, STEVEN H.
Executed: 2007-05-09
PULZ, GREGORY
Executed: 2007-05-09
ZHANG, LAN
Executed: 2007-05-10
Assignee
AT&T CORP
32 AVENUE OF THE AMERICAS, NEW YORK, NEW YORK, 10013-2412
Covered Property (1)
System and Method for Prompt Modification Based on Caller Hang Ups in Ivrs
Patent: 8,488,771 →
Application: 13/402,958 →
Publication: US 2012/0148032
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Sep 23, 2013
From: AT&T CORP.
To: AT&T INTELLECTUAL PROPERTY II, L.P.
Reel/Frame 031257/0193 →