IP Library Assignment 025609/0565
Patent Assignment
Reel/Frame 025609/0565

Assignment of Assignor's Interest

Recorded: 2011-01-10 Pages: 3
Assignor
NIKIFORUK, KEVIN JAMES
Executed: 2011-01-03
Assignee
TESCO CORPORATION
3993 WEST SAM HOUSTON PARKWAY NORTH, SUITE 100, HOUSTON, TEXAS, 77043
Covered Property (1)
Dampered Drop Plug
Patent: 8,985,227 →
Application: 12/987,222 →
Publication: US 2012/0175133
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Jan 18, 2013
From: TESCO CORPORATION
To: SCHLUMBERGER TECHNOLOGY CORPORATION
Reel/Frame 029659/0540 →