IP Library › Assignment 029334/0438
Patent Assignment
Reel/Frame 029334/0438

Assignment of Assignor's Interest

Recorded: 2012-11-21 Pages: 4
Assignors
RUAN, ZHIGANG
Executed: 2010-01-26
ZENG, XIMING
Executed: 2010-01-26
Assignee
RESEARCH IN MOTION LIMITED
295 PHILLIP STREET, WATERLOO, N2L 3W8, CANADA
Covered Property (1)
Dtmf Signalling Between Mobile and Server
Patent: 8,606,256 →
Application: 13/682,791 →
Publication: US 2013/0079043
Related Assignments (3)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name Nov 6, 2013
From: RESEARCH IN MOTION LIMITED
To: BLACKBERRY LIMITED
Reel/Frame 031588/0844 →
Assignment of Assignor's Interest Jun 16, 2023
From: BLACKBERRY LIMITED
To: MALIKIE INNOVATIONS LIMITED
Reel/Frame 064104/0103 →
Nunc Pro Tunc Assignment Jun 19, 2023
From: BLACKBERRY LIMITED
To: MALIKIE INNOVATIONS LIMITED
Reel/Frame 064270/0001 →