Patent Assignment
Reel/Frame 006645/0880
Assignment of Assignor's Interest
Recorded: 1993-07-29
Pages: 4
Assignor
JONES, DAVID L.
Executed: 1993-07-27
Assignee
COMINCO ENGINEERING SERVICES, LTD.
SUITE 100, 1200 W. 73RD AVENUE, VANCOUVER, B.C., V6P 6, CANADA
Covered Property
(1)
Chloride Assisted Hydrometallurgical Copper Extraction
Patent:
5,431,788 →
Application:
08/098,874 →
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.