IP Library › Assignment 050726/0314
Patent Assignment
Reel/Frame 050726/0314

Assignment of Assignor's Interest

Recorded: 2019-10-16 Pages: 6
Assignors
M-I DRILLING FLUIDS UK LIMITED
Executed: 2019-10-10
SCHLUMBERGER UK HOLDINGS LIMITED
Executed: 2019-10-08
Assignee
M-I LLC
5950 NORTH COURSE DRIVE, HOUSTON, TEXAS, 77072
Covered Property (1)
Sifting Screen
Patent: 8,763,814 →
Application: 12/995,485 →
Publication: US 2011/0155653
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Mar 7, 2011
From: ROBERTSON, GRAHAM; MCLEAN, CLAIRE; RALPH, ANDREW
To: UNITED WIRE LIMITED
Reel/Frame 025913/0038 →