IP Library › Assignment 044138/0249
Patent Assignment
Reel/Frame 044138/0249

Assignment of Assignor's Interest

Recorded: 2017-11-15 Pages: 5
Assignors
OLSEN, KARL KRISTIAN
Executed: 2015-07-17
TONNESSEN, TIM ROHNE
Executed: 2015-07-27
Assignee
HALLIBURTON ENERGY SERVICES, INC.
3000 N. SAM HOUSTON PARKWAY E., HOUSTON, TEXAS, 77032-3219
Covered Property (1)
Heave Compensated Managed Pressure Drilling
Application: 15/574,391 →
Publication: US 2018/0135366