IP Library › Assignment 011685/0904
Patent Assignment
Reel/Frame 011685/0904

Assignment of Assignor's Interest

Recorded: 2001-03-29 Pages: 4
Assignor
DELACRUZ, CEDRIC G.
Executed: 2001-03-29
Assignee
AT&T CORP.
32 AVENUE OF THE AMERICAS, NEW YORK, NEW YORK, 10013
Covered Property (1)
Methods for Providing Video Enhanced Eletronic Mail Return Receipts
Patent: 6,999,989 →
Application: 09/821,353 →
Publication: US 2002/0143881
Related Assignments (3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Jan 31, 2012
From: AT&T CORP.
To: AT&T PROPERTIES, LLC
Reel/Frame 027627/0071 →
Assignment of Assignor's Interest Feb 1, 2012
From: AT&T PROPERTIES, LLC
To: AT&T INTELLECTUAL PROPERTY II, L.P.
Reel/Frame 027636/0028 →
Assignment of Assignor's Interest May 14, 2012
From: AT&T INTELLECTUAL PROPERTY II, L.P.
To: CHANYU HOLDINGS, LLC
Reel/Frame 028199/0415 →