Patent Assignment
Reel/Frame 038048/0783
Assignment of Assignor's Interest
Recorded: 2016-03-21
Pages: 4
Assignor
GRENN, JOHN PATRICK
Executed: 2015-11-09
Assignee
BLACKBERRY LIMITED
2200 UNIVERSITY AVENUE EAST, WATERLOO, ONTARIO, N2K 0A7, CANADA
Covered Property
(1)
System and Method for Enhancing a Proximity Warning Sound
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Mar 21, 2016
From: HARVEY, MARK WILLIAM; HETHERINGTON, PHILLIP ALAN
To: QNX SOFTWARE SYSTEMS LIMITED
Reel/Frame 038049/0521 →
Assignment of Assignor's Interest
May 4, 2016
From: QNX SOFTWARE SYSTEMS LIMITED
To: 2236008 ONTARIO INC.
Reel/Frame 038606/0626 →
Assignment of Assignor's Interest
May 22, 2020
From: 2236008 ONTARIO INC.
To: BLACKBERRY LIMITED
Reel/Frame 053313/0315 →