IP Library › Assignment 022213/0971
Patent Assignment
Reel/Frame 022213/0971

Assignment of Assignor's Interest

Recorded: 2009-02-05 Pages: 3
Assignor
DUYVESTEYN, WILLEM P.C.
Executed: 2009-02-05
Assignee
MARATHON OIL CANADA CORPORATION
ERNST & YOUNG TOWER, 440 SECOND AVE S.W., SUITE 2400, CALGARY ALBERTA, T2P 5E9, CANADA
Covered Property (1)
Fragmentation of Heavy Hydrocarbons Using an Ozone-Containing Fragmentation Fluid
Patent: 7,909,985 →
Application: 11/318,056 →
Publication: US 2006/0163117
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 →