IP Library › Assignment 064945/0540
Patent Assignment
Reel/Frame 064945/0540

Assignment of Assignor's Interest

Recorded: 2023-09-19 Pages: 15
Assignor
Assignee
SCHLUMBERGER OILFIELD UK LIMITED
MINERVA, MANOR ROYAL, CRAWLEY, RH10 9BU, UNITED KINGDOM
Covered Property (1)
Downhole Tool for Selectively Catching Balls in a Well Bore
Patent: 7,530,400 →
Application: 10/552,888 →
Publication: US 2007/0272412
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Mar 8, 2007
From: TELFER, GEORGE
To: SPECIALISED PETROLEUM SERVICES GROUP LIMITED
Reel/Frame 019016/0505 →