Patent Assignment
Reel/Frame 019392/0411
Assignment of Assignor's Interest
Recorded: 2007-05-18
Pages: 3
Assignor
JONES, DAVID L.
Executed: 2007-05-16
Assignee
COMINCO ENGINEERING SERVICES LTD.
SUITE 600 - 200 BURRARD STREET, VANCOUVER, BRITISH COLUMBIA, V6C 3L9, CANADA
Covered Property
(1)
Process for Gold and Silver Recovery from a Sulphide Concentrate
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.