IP Library Assignment 048291/0909
Patent Assignment
Reel/Frame 048291/0909

Merger

Recorded: 2019-02-08 Pages: 8
Assignor
TESCO CORPORATION
Executed: 2017-12-28
Assignee
NABORS DRILLING TECHNOLOGIES USA, INC.
515 WEST GREENS ROAD, SUITE 1200, HOUSTON, TEXAS, 77067
Covered Property (1)
Hydraulic Interlock System Between Casing Gripper and Spider
Patent: 8,439,121 →
Application: 12/764,219 →
Publication: US 2011/0114308
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Apr 21, 2010
From: NIKIFORUK, KEVIN J., MR.; ANDREWS, DAVE C., MR.
To: TESCO CORPORATION
Reel/Frame 024264/0332 →