IP Library › Assignment 023983/0335
Patent Assignment
Reel/Frame 023983/0335

Assignment of Assignor's Interest

Recorded: 2010-02-23 Pages: 4
Assignors
RUAN, ZHIGANG
Executed: 2010-01-26
ZENG, XIMING
Executed: 2010-01-26
Assignee
RESEARCH IN MOTION, LIMITED
295 PHILLIP STREET, WATERLOO, ONTARIO, N2L 3W8, CANADA
Covered Property (1)
Dtmf Signalling Between Mobile and Server
Patent: 8,346,235 →
Application: 12/693,055 →
Publication: US 2011/0183649
Related Assignments (3)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name Nov 6, 2014
From: RESEARCH IN MOTION LIMITED
To: BLACKBERRY LIMITED
Reel/Frame 034179/0923 →
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 →