IP Library Assignment 036717/0420
Patent Assignment
Reel/Frame 036717/0420

Assignment of Assignor's Interest

Recorded: 2015-10-02 Pages: 6
Assignors
HEWITT, PAUL
Executed: 2013-02-06
SPENCER, JONATHON DEAN
Executed: 2013-02-07
CROUD, VINCENT BRIAN
Executed: 2013-07-02
Assignee
JOHNSON MATTHEY PLC
5TH FLOOR, 25 FARRINGDON STREET, LONDON, EC4A 4AB, UNITED KINGDOM
Covered Property (1)
Method of Tracing Flow of Hydrocarbon from a Subterranean Reservoir
Patent: 9,284,833 →
Application: 14/169,679 →
Publication: US 2014/0174730
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Oct 6, 2023
From: JOHNSON MATTHEY PLC
To: TRACERCO LIMITED
Reel/Frame 065178/0308 →