IP Library › Assignment 019067/0208
Patent Assignment
Reel/Frame 019067/0208

Assignment of Assignor's Interest

Recorded: 2007-03-23 Pages: 3
Assignor
WILLEM P.C. DUYVESTEYN
Executed: 2007-03-15
Assignee
WESTERN OIL SANDS USA, INC.
204 EDISON WAY, RENO, NEVADA, 89502
Covered Property (1)
Biodiesel Production and Use in Oil Sands Processing
Patent: 7,824,453 →
Application: 11/517,730 →
Publication: US 2008/0060257
Related Assignments (4)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Dec 23, 2008
From: WESTERN OIL SANDS USA, INC.
To: MARATHON OIL CANADA CORPORATION
Reel/Frame 022023/0025 →
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 →
Assignment of Assignor's Interest Oct 17, 2014
From: MARATHON OIL CANADA CORPORATION
To: SHELL CANADA ENERGY; CHEVRON CANADA LIMITED
Reel/Frame 033973/0309 →