IP Library › Assignment 025913/0038
Patent Assignment
Reel/Frame 025913/0038

Assignment of Assignor's Interest

Recorded: 2011-03-07 Pages: 4
Assignors
ROBERTSON, GRAHAM
Executed: 2011-02-11
MCLEAN, CLAIRE
Executed: 2011-02-11
RALPH, ANDREW
Executed: 2011-02-11
Assignee
UNITED WIRE LIMITED
GRANTON PARK AVENUE, GRANTON, EDINBURGH, FIFE, EH5 1HT, UNITED KINGDOM
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 Oct 16, 2019
From: M-I DRILLING FLUIDS UK LIMITED; SCHLUMBERGER UK HOLDINGS LIMITED
To: M-I LLC
Reel/Frame 050726/0314 →