Patent Assignment
Reel/Frame 040809/0254
Assignment of Assignor's Interest
Recorded: 2016-12-30
Pages: 7
Assignors
GRACE, CHRISTOPHER ALLEN
Executed: 2015-09-02
KARIGAN, JOSEPH MICHAEL
Executed: 2015-09-02
BULLOCK, RAYMOND RONALD
Executed: 2015-09-02
HALLIBURTON MANAGEMENT LTD.
Executed: 2015-09-23
Assignee
HALLIBURTON ENERGY SERVICES, INC.
3000 N. SAM HOUSTON PARKWAY E., HOUSTON, TEXAS, 77032-3219
Covered Property
(1)
Pressurizing Rotating Control Devices