Patent Assignment
Reel/Frame 029521/0293
Assignment of Assignor's Interest
Recorded: 2012-12-21
Pages: 3
Assignor
SHATSKY, ALEXANDER
Executed: 2009-02-23
Assignee
RESEARCH IN MOTION LIMITED
295 PHILLIP STREET, WATERLOO, ONTARIO, N2L 3W8, CANADA
Covered Property
(1)
Systems and Methods for Facilitating Push-to-Talk (Ptt) Communications Using Sip-Based Messaging
Application:
13/725,031 →
Publication:
US 2013/0115996
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.