Patent Assignment
Reel/Frame 024206/0503
Assignment of Assignor's Interest
Recorded: 2010-04-08
Pages: 3
Assignors
BARNWELL, DAVID EDWARD
Executed: 2010-02-16
RALPH, THOMAS ROBERTSON
Executed: 2010-02-17
TREW, PETER ANTHONY
Executed: 2010-02-18
Assignee
JOHNSON MATTHEY PUBLIC LIMITED COMPANY
40-42 HATTON GARDEN, LONDON, EC1N 8EE, UNITED KINGDOM
Covered Property
(1)
Membrane Electrode Assembly
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Oct 9, 2012
From: JOHNSON MATTHEY PUBLIC LIMITED COMPANY
To: JOHNSON MATTHEY FUEL CELLS LIMITED
Reel/Frame 029097/0631 →
Change of Name
Jul 28, 2022
From: JOHNSON MATTHEY FUEL CELLS LIMITED
To: JOHNSON MATTHEY HYDROGEN TECHNOLOGIES LIMITED
Reel/Frame 060991/0106 →
Change of Address
Jan 14, 2026
From: JOHNSON MATTHEY HYDROGEN TECHNOLOGIES LIMITED
To: JOHNSON MATTHEY HYDROGEN TECHNOLOGIES LIMITED
Reel/Frame 074818/0894 →