IP Library › Assignment 006695/0722
Patent Assignment
Reel/Frame 006695/0722

Assignment of Assignor's Interest

Recorded: 1993-08-27 Pages: 4
Assignors
CROSS, JAMES B.
Executed: 1993-08-16
BEYNON, KENNETH L.
Executed: 1993-08-16
HAMPTON, CASHMAN R. S. M.
Executed: 1993-08-16
Assignee
COMINCO LTD.
#500-200 BURRARD STREET, VANCOUVER, BRITISH COLUMBIA, B6C 3L7, CANADA
Covered Property (1)
Production of Granular Ammonium Sulphate Using Stripped Zinc Electrolyte as a Granulating Aid
Patent: 5,383,951 →
Application: 08/112,277 →
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name Feb 19, 2002
From: COMINCO LTD.
To: TECK COMINCO METALS LTD.
Reel/Frame 013011/0327 →
Change of Name and Address Dec 22, 2009
From: TECK COMINCO METALS LTD.
To: TECK METALS LTD.
Reel/Frame 023750/0938 →