IP Library › Assignment 054130/0605
Patent Assignment
Reel/Frame 054130/0605

Assignment of Assignor's Interest

Recorded: 2020-10-21 Pages: 19
Assignor
2256355 ONTARIO LIMITED
Executed: 2012-03-02
Assignee
RESEARCH IN MOTION LIMITED
295 PHILLIP STREET, WATERLOO, ON, N2L 3W8, CANADA
Covered Property (1)
Detecting the Number of Transmit Antennas in a Base Station
Application: 16/934,969 →
Publication: US 2020/0351825
Related Assignments (4)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Oct 21, 2020
From: CALLARD, AARON; MA, JIANGLEI
To: NORTEL NETWORKS LIMITED
Reel/Frame 054130/0334 →
Assignment of Assignor's Interest Oct 21, 2020
From: ROCKSTAR BIDCO, LP
To: 2256355 ONTARIO LIMITED
Reel/Frame 054130/0500 →
Assignment of Assignor's Interest Oct 21, 2020
From: NORTEL NETWORKS LIMITED
To: ROCKSTAR BIDCO, LP
Reel/Frame 054173/0879 →
Change of Name Oct 21, 2020
From: RESEARCH IN MOTION LIMITED
To: BLACKBERRY LIMITED
Reel/Frame 054173/0996 →