Patent Assignment
Reel/Frame 028961/0920
Assignment of Assignor's Interest
Recorded: 2012-09-14
Pages: 3
Assignor
WINGATE, JOHN MACLEAN
Executed: 2012-09-11
Assignee
VETCO GRAY CONTROLS LIMITED
2 HIGH STREET, NAILSEA, BS481BS, UNITED KINGDOM
Covered Property
(1)
Setting the Value of an Operational Parameter of a Well
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.