Patent Assignment
Reel/Frame 020752/0842
Assignment of Assignor's Interest
Recorded: 2008-03-31
Pages: 5
Assignee
AT&T LABS, INC.
9505 ARBORETUM BLVD., AUSTIN, TEXAS, 78759
Covered Property
(1)
Computing Time-Decayed Aggregates in Data Streams
Related Assignments
(5)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Aug 6, 2008
From: TIRTHAPURA, SRIKANTA
To: IOWA STATE UNIVERSITY RESEARCH FOUNDATION, INC.
Reel/Frame 021345/0252 →
Nunc Pro Tunc Assignment
Jan 31, 2013
From: AT&T LABS, INC.
To: AT&T INTELLECTUAL PROPERTY I, L.P.
Reel/Frame 029728/0734 →
Confirmatory License
Nov 18, 2015
From: IOWA STATE UNIVERSITY
To: NATIONAL SCIENCE FOUNDATION
Reel/Frame 037127/0830 →
Confirmatory License
Dec 8, 2020
From: IOWA STATE UNIVERSITY
To: NATIONAL SCIENCE FOUNDATION
Reel/Frame 054645/0449 →
Confirmatory License
May 10, 2023
From: IOWA STATE UNIVERSITY
To: NATIONAL SCIENCE FOUNDATION
Reel/Frame 063601/0216 →