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 V6C 2R2, CANADA

Covered Property (1)

Method for the Solvent Extraction of Zinc

Patent: 5,135,652 →

Application: 07/603,065 →

Related Assignments (2)

Other recorded transfers of the patent in this record — the chain of ownership.