Patent Assignment
Reel/Frame 053559/0991
Assignment of Assignor's Interest
Recorded: 2020-08-21
Pages: 2
Assignor
CORNELISSEN, ERIK KERST
Executed: 2020-08-18
Assignee
SHELL OIL COMPANY
P.O. BOX 576, HOUSTON, TEXAS, 77001-0576
Covered Property
(1)
Method for Sealing Cavities in or Adjacent to a Cured Cement Sheath Surrounding a Well Casing
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.