IP Library › Assignment 028245/0183
Patent Assignment
Reel/Frame 028245/0183

Assignment of Assignor's Interest

Recorded: 2012-05-22 Pages: 6
Assignor
SLIPSTREAM DATA INC.
Executed: 2009-01-22
Assignee
RESEARCH IN MOTION LIMITED
295 PHILLIP STREET, WATERLOO, N2L 3W8, CANADA
Covered Property (1)
Optimization of MP3 Audio Encoding by Scale Factors and Global Quantization Step Size
Patent: 8,457,957 →
Application: 13/477,121 →
Publication: US 2012/0232911
Related Assignments (4)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest May 22, 2012
From: WU, GUIXING; YANG, EN-HUI
To: SLIPSTREAM DATA INC.
Reel/Frame 028245/0138 →
Change of Name Feb 23, 2016
From: RESEARCH IN MOTION LIMITED
To: BLACKBERRY LIMITED
Reel/Frame 037893/0239 →
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 →