Patent Assignment
Reel/Frame 054244/0893
Assignment of Assignor's Interest
Recorded: 2020-11-02
Pages: 3
Assignee
SHELL OIL COMPANY
P.O. BOX 576, HOUSTON, TEXAS, 77001-0576
Covered Property
(1)
Reducing Swab Pressure Generated Behind a Well Liner Expansion Cone
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.