IP Library › Assignment 049246/0870
Patent Assignment
Reel/Frame 049246/0870

Assignment of Assignor's Interest

Recorded: 2019-05-21 Pages: 6
Assignors
M-I DRILLING FLUIDS UK LIMITED
Executed: 2019-04-15
SCHLUMBERGER UK HOLDINGS LIMITED
Executed: 2019-04-12
Assignee
M-I LLC
5950 NORTH COURSE DRIVE, HOUSTON, TEXAS, 77072
Covered Property (1)
Sifting Screens
Patent: 7,810,649 →
Application: 10/584,670 →
Publication: US 2009/0139909
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Aug 16, 2006
From: ROBERTSON, GRAHAM ALEXANDER
To: UNITED WIRE LIMITED
Reel/Frame 018241/0837 →