Patent Assignment
Reel/Frame 034441/0274
Assignment of Assignor's Interest
Recorded: 2014-12-09
Pages: 12
Assignors
EDBURY, DAVID ALSTON
Executed: 2012-11-01
GUERRERO, JOSE VICTOR
Executed: 2012-11-05
MACDONALD, DUNCAN CHARLES
Executed: 2012-10-29
ROGERS, JAMES BYRON
Executed: 2013-08-12
SITTON, DONALD RAY
Executed: 2014-11-03
Assignee
SHELL OIL COMPANY
P.O. BOX 2463, ONE SHELL PLAZA, HOUSTON, TEXAS, 77252-2463
Covered Property
(1)
Methods and Systems for Drilling
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.