IP Library › Assignment 025794/0294
Patent Assignment
Reel/Frame 025794/0294

Assignment of Assignor's Interest

Recorded: 2011-02-09 Pages: 4
Assignor
CAI, ZHIJUN
Executed: 2011-01-24
Assignee
RESEARCH IN MOTION CORPORATION
1209 ORANGE STREET, WILMINGTON, DELAWARE, 19801
Covered Property (1)
Low Overhead PMI and CQI Feedback and Pairing Schemes for MU-MIMO
Patent: 8,644,422 →
Application: 12/705,482 →
Publication: US 2011/0200131
Related Assignments (5)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Feb 9, 2011
From: XU, HUA; JIA, YONGKANG; MOBASHER, AMIN; BAYESTEH, ALIREZA
To: RESEARCH IN MOTION LIMITED
Reel/Frame 025794/0330 →
Assignment of Assignor's Interest Feb 9, 2011
From: GAO, SHIWEI
To: 2209053 ONTARIO INC.
Reel/Frame 025794/0400 →
Assignment of Assignor's Interest Oct 28, 2011
From: 2209053 ONTARIO INC.
To: RESEARCH IN MOTION LIMITED
Reel/Frame 027140/0255 →
Assignment of Assignor's Interest Nov 11, 2011
From: RESEARCH IN MOTION CORPORATION
To: RESEARCH IN MOTION LIMITED
Reel/Frame 027213/0796 →
Change of Name Dec 16, 2013
From: RESEARCH IN MOTION LIMITED
To: BLACKBERRY LIMITED
Reel/Frame 031828/0381 →