Patent Assignment
Reel/Frame 027666/0781
Assignment of Assignor's Interest
Recorded: 2012-02-07
Pages: 3
Assignors
LANGHANS, JOHN WILLIAM, JR.
Executed: 2012-01-13
TSU, WILSON CHUNG-YEH
Executed: 2012-01-06
Assignee
BARRICK GOLD CORPORATION
BCE PLACE, CANADA TRUST TOWER, SUITE 3700, 161 BAY STREET, TORONTO, M5J 2S1, CANADA
Covered Property
(1)
Alkaline and Acid Pressure Oxidation of Precious Metal-Containing Materials
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.