IP Library › Assignment 020361/0308
Patent Assignment
Reel/Frame 020361/0308

Assignment of Assignor's Interest

Recorded: 2008-01-14 Pages: 5
Assignors
CAI, ZHIJUN
Executed: 2007-12-07
WOMACK, JAMES EARL
Executed: 2007-12-10
Assignee
RESEARCH IN MOTION LIMITED
176 COLUMBIA STREET WEST, WATERLOO, ONTARIO, N2L 3L3, CANADA
Covered Property (1)
Multimedia Broadcast Multicast Service Channel Mapping and Multiplexing
Patent: 8,000,292 →
Application: 11/954,162 →
Publication: US 2009/0073909
Related Assignments (3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest May 12, 2010
From: CAI, ZHIJUN; WOMACK, JAMES EARL
To: RESEARCH IN MOTION CORPORATION
Reel/Frame 024375/0459 →
Assignment of Assignor's Interest Aug 16, 2011
From: RESEARCH IN MOTION CORPORATION
To: RESEARCH IN MOTION LIMITED
Reel/Frame 026753/0935 →
Change of Name Oct 23, 2014
From: RESEARCH IN MOTION LIMITED
To: BLACKBERRY LIMITED
Reel/Frame 034066/0463 →