Patent Assignment
Reel/Frame 042499/0105
Change of Name
Recorded: 2017-05-18
Pages: 3
Assignor
RESEARCH IN MOTION LIMITED
Executed: 2013-07-09
Assignee
BLACKBERRY LIMITED
2200 UNIVERSITY AVENUE EAST, WATERLOO, ON, N2K 0A7, CANADA
Covered Property
(1)
Detecting the Number of Transmit Antennas in a Base Station
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
May 18, 2017
From: CALLARD, AARON; MA, JIANGLEI
To: NORTEL NETWORKS LIMITED
Reel/Frame 042430/0300 →
Assignment of Assignor's Interest
May 18, 2017
From: ROCKSTAR BIDCO, LP
To: 2256355 ONTARIO LIMITED
Reel/Frame 042430/0585 →
Assignment of Assignor's Interest
May 18, 2017
From: 2256355 ONTARIO LIMITED
To: RESEARCH IN MOTION LIMITED
Reel/Frame 042430/0651 →
Assignment of Assignor's Interest
May 18, 2017
From: NORTEL NETWORKS LIMITED
To: ROCKSTAR BIDCO, LP
Reel/Frame 042498/0928 →