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Patent Assignment
Reel/Frame 022854/0865

Assignment of Assignor's Interest

Recorded: 2009-06-22 Pages: 4
Assignor
WESTERN OIL SANDS USA, INC.,
Executed: 2008-11-30
Assignee
MARATHON OIL CANADA CORPORATION
ERNST & YOUNG TOWER, 440 SECOND AVENUE SW SUITE 2400, CALGARY, AB T2P 5E9, CANADA
Covered Properties (3)
Method for Obtaining Bitumen from Tar Sands
Processing Asphaltene-Containing Tailings
Biodiesel Production and Use in Oil Sands Processing
Related Assignments (2)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest Jun 6, 2006
From: DUYVESTEYN, WILLEM P.C.; KIFT, JULIAN; MORLEY, RAYMOND L.
To: WESTERN OIL SANDS USA, INC.
Reel/Frame 017742/0730 →
Assignment of Assignor's Interest Jul 12, 2006
From: DUYVESTEYN, WILLEM P.C.; MORLEY, RAYMOND L.; HANSON, JAMES S.
To: WESTERN OIL SANDS USA, INC.
Reel/Frame 017923/0150 →