Patent Assignment
Reel/Frame 020207/0272
Assignment of Assignor's Interest
Recorded: 2007-12-06
Pages: 3
Assignor
CAI, ZHIJUN
Executed: 2007-10-31
Assignee
RESEARCH IN MOTION LIMITED
176 COLUMBIA STREET WEST, WATERLOO, ONTARIO, N2L 3L3, CANADA
Covered Property
(1)
Multicast/Broadcast Single Frequency Network Control Information Transmission
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Mar 6, 2010
From: CAI, ZHIJUN
To: RESEARCH IN MOTION CORPORATION
Reel/Frame 024039/0733 →
Assignment of Assignor's Interest
Sep 10, 2010
From: RESEARCH IN MOTION CORPORATION
To: RESEARCH IN MOTION LIMITED
Reel/Frame 024967/0306 →
Change of Name
Jan 1, 2014
From: RESEARCH IN MOTION LIMITED
To: BLACKBERRY LIMITED
Reel/Frame 031896/0305 →