IP Library Assignment 024264/0332
Patent Assignment
Reel/Frame 024264/0332

Assignment of Assignor's Interest

Recorded: 2010-04-21 Pages: 5
Assignors
NIKIFORUK, KEVIN J., MR.
Executed: 2010-04-08
ANDREWS, DAVE C., MR.
Executed: 2010-04-06
Assignee
TESCO CORPORATION
3993 WEST SAM HOUSTON PARKWAY NORTH, SUITE 100, HOUSTON, TEXAS, 77043
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.
Merger Feb 8, 2019
From: TESCO CORPORATION
To: NABORS DRILLING TECHNOLOGIES USA, INC.
Reel/Frame 048291/0909 →