Patent Assignment
Reel/Frame 057959/0189
Assignment of Assignor's Interest
Recorded: 2021-10-29
Pages: 3
Assignee
SHELL OIL COMPANY
P.O. BOX 576, HOUSTON, TEXAS, 77001-0576
Covered Property
(1)
Method of Cleaning Spent Catalyst Material
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.