Patent Assignment
Reel/Frame 020385/0156
Assignment of Assignor's Interest
Recorded: 2008-01-18
Pages: 5
Assignor
TELEFONAKTIEBOLAGET L M ERICSSON
Executed: 2008-01-17
Assignee
RESEARCH IN MOTION LIMITED
295 PHILLIP STREET, WATERLOO, N2L 3W8, CANADA
Covered Property
(1)
Echo Canceller Having Kalman Filter for Optimal Adaption
Patent:
5,995,620 →
Application:
08/908,943 →
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Aug 8, 1997
From: WIGREN, TORBJORN
To: TELEFONAKTIEBOLAGET LM ERICSSON
Reel/Frame 008750/0272 →
Change of Name
Nov 27, 2001
From: DE NORA S.P.A.
To: DE NORA ELETTRODI S.P.A.
Reel/Frame 012322/0666 →
Change of Name
Oct 20, 2014
From: RESEARCH IN MOTION LIMITED
To: BLACKBERRY LIMITED
Reel/Frame 034016/0738 →