Patent Assignment
Reel/Frame 004103/0122
Assignment of Assignors Interest.
Recorded: 1983-02-15
Pages: 1
Assignors
BROWN, MICHAEL
Executed: 1983-02-01
READ, CLIFFORD D.
Executed: 1983-02-01
ELLIS, WARREN K.
Executed: 1983-02-01
Assignee
BELL-NORTHERN RESEARCH LTD.
P.O. BOX 3511 STATION C, OTTAWA,, ONTARIO,, K1Y 4H7, CANADA
Covered Property
(1)
Telephone Set Base
Patent:
284,373 →
Application:
06/466,418 →
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignors Interest.
Feb 15, 1983
From: BELL-NORTHERN RESEARCH LTD.
To: NORTHERN TELECOM LIMITED
Reel/Frame 004103/0123 →
Change of Name
Dec 23, 1999
From: NORTHERN TELECOM LIMITED
To: NORTEL NETWORKS CORPORATION
Reel/Frame 010567/0001 →
Change of Name
Aug 30, 2000
From: NORTEL NETWORKS CORPORATION
To: NORTEL NETWORKS LIMITED
Reel/Frame 011195/0706 →
Assignment of Assignor's Interest
Jan 2, 2001
From: NORTEL NETWORKS CORPORATION
To: AASTRA TECHNOLOGIES LIMITED
Reel/Frame 011641/0324 →