IP Library › Assignment 045990/0688
Patent Assignment
Reel/Frame 045990/0688

Assignment of Assignor's Interest

Recorded: 2018-06-05 Pages: 6
Assignors
ROBEY, RICHARD ELLIS
Executed: 2016-01-27
BARKER, JAMES MARSHALL
Executed: 2016-01-29
CHEN, KUO-CHIANG
Executed: 2016-01-27
Assignee
HALLIBURTON ENERGY SERVICES, INC.
3000 N. SAM HOUSTON PARKWAY E., HOUSTON, TEXAS, 77032
Covered Property (1)
Autonomous Annular Pressure Control Assembly for Perforation Event
Application: 15/781,577 →
Publication: US 2020/0263514