Patent Assignment
Reel/Frame 015600/0979
Assignment of Assignor's Interest
Recorded: 2004-06-28
Pages: 3
Assignors
RUNIA, DOUWE JOHANNES
Executed: 2004-06-10
SMITH, DAVID GEORGE LIVESEY
Executed: 2004-06-08
WORRALL, ROBERT NICHOALS
Executed: 2004-06-10
Assignee
SHELL OIL COMPANY
P.O. BOX 2463, 910 LOUISIANA, HOUSTON, TEXAS, 77252-2463
Covered Property
(1)
Steerable Rotary Drill Bit Assembly with Pilot Bit
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.