IP Library Assignment 024147/0711
Patent Assignment
Reel/Frame 024147/0711

Assignment of Assignor's Interest

Recorded: 2010-03-26 Pages: 3
Assignor
DUYVESTEYN, WILLEM P.C.
Executed: 2010-03-26
Assignee
MARATHON OIL CANADA CORPORATION
440 - SECOND AVENUE, N.W., ERNST & YOUNG TOWER, CALGARY, T2P 5E9, CANADA
Covered Property (1)
Methods for Preparing Solid Hydrocarbons for Cracking
Application: 12/695,885 →
Publication: US 2011/0180454
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name Jan 23, 2013
From: MARATHON OIL CANADA CORPORATION
To: MARATHON CANADIAN OIL SANDS HOLDING LIMITED
Reel/Frame 029675/0197 →
Change of Name May 22, 2013
From: MARATHON CANADIAN OIL SANDS HOLDING LIMITED
To: MARATHON OIL CANADA CORPORATION
Reel/Frame 030467/0595 →