Patent Assignment
Reel/Frame 023787/0192
Assignment of Assignor's Interest
Recorded: 2010-01-14
Pages: 7
Assignors
WOMACK, JAMES
Executed: 2009-12-03
CAI, ZHIJUN
Executed: 2009-12-03
WU, WEI
Executed: 2009-12-03
Assignee
RESEARCH IN MOTION CORPORATION
122 WEST JOHN CARPENTER PARKWAY, SUITE 430, IRVING, TEXAS, 75039
Covered Properties
(2)
System and Method for Coordinating Half-Duplex Communications Protocols
System and Method for Coordinating Half-Duplex Communications Protocols
Application:
61/100,500 →
Related Assignments
(3)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest
Jan 14, 2010
From: YU, YI
To: RESEARCH IN MOTION LIMITED
Reel/Frame 023787/0075 →
Assignment of Assignor's Interest
May 13, 2011
From: RESEARCH IN MOTION CORPORATION
To: RESEARCH IN MOTION LIMITED
Reel/Frame 026274/0950 →
Change of Name
Dec 22, 2014
From: RESEARCH IN MOTION LIMITED
To: BLACKBERRY LIMITED
Reel/Frame 034688/0899 →