Patent Assignment
Reel/Frame 058930/0398
Assignment of Assignor's Interest
Recorded: 2022-02-08
Pages: 4
Assignor
MCCALLIEN, DUNCAN WILLIAM JOHN
Executed: 2019-12-09
Assignee
JOHNSON MATTHEY PUBLIC LIMITED COMPANY
25 FARRINGDON STREET, 5TH FLOOR, LONDON, EC4A 4AB, UNITED KINGDOM
Covered Property
(1)
Tracers and Method of Marking Liquids
Application:
17/633,840 →
Publication:
US 2022/0298439
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.