Patent Assignment
Reel/Frame 030172/0646
Assignment of Assignor's Interest
Recorded: 2013-04-08
Pages: 3
Assignor
COMPANIA MINERA TECK CARMEN DE ANDACOLLO
Executed: 2011-08-03
Assignee
TECK RESOURCES LIMITED
550 BURRARD STREET, SUITE 3300, VANCOUVER, BC, V6C 0B3, CANADA
Covered Property
(1)
Recovery of Residual Copper from Heap Leach Residues
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Oct 21, 2011
From: GONZALEZ, JOSE ALBERTO; LIZAMA, HECTOR M.
To: TECK METALS LTD.
Reel/Frame 027102/0278 →
Assignment of Assignor's Interest
Oct 21, 2011
From: TECK METALS LTD.
To: TECK RESOURCES LIMITED
Reel/Frame 027102/0307 →
Assignment of Assignor's Interest
Oct 21, 2011
From: JARA HECK, CHRISTIAN RUBEN
To: COMPANIA MINERA TECK CARMEN DE ANDACOLLO
Reel/Frame 027102/0312 →