IP Library Assignment 019139/0400
Patent Assignment
Reel/Frame 019139/0400

Document Previously Recorded at Reel 019059 Frame 0888 Contained an Error in Property Number 11376829. Document Rerecorded to Correct Error on Stated Reel.

Recorded: 2007-04-05 Pages: 4
Assignor
CHANG, WAYNE
Executed: 2007-02-09
Assignee
AT&T KNOWLEDGE VENTURES, L.P. A STATE OF NEVADA PARTNERSHIP
645 E. PLUMB LANE, RENO, NEVADA, 89502
Covered Property (1)
Methods and Apparatus to Visualize Locations of Radio Frequency Identification (Rfid) Tagged Items
Patent: 7,639,138 →
Application: 11/673,829 →
Publication: US 2008/0191846
Related Assignments (3)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name Dec 10, 2021
From: AT&T KNOWLEDGE VENTURES, L.P.
To: AT&T INTELLECTUAL PROPERTY I, L.P.
Reel/Frame 058955/0989 →
Assignment of Assignor's Interest Apr 11, 2022
From: AT&T INTELLECTUAL PROPERTY I, L.P.
To: WORKDAY, INC.
Reel/Frame 059553/0432 →
Corrective Assignment to Correct the Name of Assignee Previously Recorded on Reel 019139 Frame 0400. Assignor(S) Hereby Confirms the Assignment. Apr 11, 2022
From: CHANG, WAYNE
To: AT&T KNOWLEDGE VENTURES, L.P.
Reel/Frame 059658/0520 →