Patent Assignment
Reel/Frame 004281/0978
Assignment of Assignors Interest.
Recorded: 1984-06-11
Pages: 1
Assignor
BELL-NORTHERN RESEARCH LTD
Executed: 1984-06-04
Assignee
NORTHERN TELECOM LIMITED
P.O. BOX 6123, STATION "A", MONTREAL, QUEBEC, H3C 3J5, CANADA
Covered Property
(1)
Telephone Set Add-on Accessory Module
Patent:
290,354 →
Application:
06/619,712 →
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignors Interest.
Jun 11, 1984
From: RYAN, DESMOND J.
To: BELL-NORTHERN RESEARCH LTD.
Reel/Frame 004281/0977 →
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 →