Patent Assignment
Reel/Frame 055457/0815
Assignment of Assignor's Interest
Recorded: 2021-03-02
Pages: 10
Assignor
DARCY TECHNOLOGIES LIMITED
Executed: 2017-11-28
Assignee
HALLIBURTON MANUFACTURING AND SERVICES LIMITED
BUILDING 4, CHISWICK PARK, 566 CHISWICK HIGH ROAD, LONDON, W4 5YE, UNITED KINGDOM
Covered Property
(1)
Downhole Apparatus with a Valve Arrangement
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.