Assignment of Assignor's Interest

Recorded: 2009-07-17 Pages: 2

Assignor

MACDONALD, DUNCAN CHARLES

Executed: 2009-07-13

Assignee

SHELL OIL COMPANY

P.O. BOX 2463, INTELLECTUAL PROPERTY, HOUSTON, TEXAS, 77252-2463

Covered Property (1)

Dual Motor Systems and Non-Rotating Sensors for Use in Developing Wellbores in Subsurface Formations

Patent: 8,151,907 →

Application: 12/422,084 →

Publication: US 2009/0272578

Related Assignments (1)

Other recorded transfers of the patent in this record — the chain of ownership.