Patent Assignment
Reel/Frame 004372/0667
Assignment of Assignors Interest.
Recorded: 1985-03-11
Pages: 1
Assignor
BELL-NORTHERN RESEARCH LTD
Executed: 1985-01-29
Assignee
NORTHERN TELECOM LIMITED
P.O. BOX 6123, STATION A, MONTREAL, QUEBEC, H3C 3J5, CANADA
Covered Property
(1)
Keypad for a Headset Telephone
Patent:
289,045 →
Application:
06/697,651 →
Related Assignments
(5)
Other recorded transfers of the patent in this record — the chain of ownership.
Court Appointment
Nov 5, 1984
From: SYSTOMATION INC.
To: GLENVILLE GAGE CO., INC.
Reel/Frame 004342/0140 →
Assignment of Assignors Interest.
Mar 11, 1985
From: BROWN, MICHAEL
To: BELL-NORTHERN RESEARCH LTD.
Reel/Frame 004372/0666 →
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 →