Patent Assignment
Reel/Frame 014231/0454
Assignment of Assignor's Interest
Recorded: 2003-07-07
Pages: 4
Assignors
MASON, CASHMAN R.S.
Executed: 2003-04-02
HARLAMOVS, JURIS R.
Executed: 2003-04-02
DREISINGER, DAVID B.
Executed: 2003-04-02
GRINBAUM, BARUCH
Executed: 2003-04-02
Assignee
TECK COMINCO METALS LTD.
SUITE 600-200 BURARD STREET, VANCOUVER, BC, V6C 3L9, CANADA
Covered Property
(1)
Solvent Extraction of a Halide from a Aqueous Sulphate Solution
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.