Patent Assignment
Reel/Frame 005490/0495
Assignment of Assignors Interest.
Recorded: 1990-10-25
Pages: 4
Assignor
BOATENG, DANIEL A.D.
Executed: 1990-09-27
Assignee
COMINCO LTD., A CORP. OF CANADA
2600 - 200 GRANVILLE STREET, VANCOUVER, BRITISH COLUMBIA, CANADA
Covered Property
(1)
Method for Treating Zinc-Containing Sulfate Solution
Patent:
5,084,180 →
Application:
07/603,082 →
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.