Patent Assignment
Reel/Frame 008750/0272
Assignment of Assignor's Interest
Recorded: 1997-08-08
Pages: 3
Assignor
WIGREN, TORBJORN
Executed: 1997-06-18
Assignee
TELEFONAKTIEBOLAGET LM ERICSSON
S-126 25 STOCKHOLM, SWEDEN
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.
Change of Name
Nov 27, 2001
From: DE NORA S.P.A.
To: DE NORA ELETTRODI S.P.A.
Reel/Frame 012322/0666 →
Assignment of Assignor's Interest
Jan 18, 2008
From: TELEFONAKTIEBOLAGET L M ERICSSON
To: RESEARCH IN MOTION LIMITED
Reel/Frame 020385/0156 →
Change of Name
Oct 20, 2014
From: RESEARCH IN MOTION LIMITED
To: BLACKBERRY LIMITED
Reel/Frame 034016/0738 →