Patent Assignment
Reel/Frame 027201/0829
Assignment of Assignor's Interest
Recorded: 2011-11-09
Pages: 3
Assignee
SHELL OIL COMPANY
P.O. BOX 2463, ONE SHELL PLAZA, HOUSTON, TEXAS, 77252-2463
Covered Property
(1)
Expansion Against Cement for Zonal Isolation
Application:
13/260,958 →
Publication:
US 2012/0073814
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.