IP Library Assignment 023178/0740
Patent Assignment
Reel/Frame 023178/0740

Assignment of Assignor's Interest

Recorded: 2009-09-01 Pages: 3
Assignor
SCHNEIDER, WARREN P., MR.
Executed: 2009-08-21
Assignee
TESCO CORPORATION
6204 - 6A STREET SE, CALGARY, ALBERTA, T2H 2B7, CANADA
Covered Property (1)
Method of Preventing Dropped Casing String with Axial Load Sensor
Patent: 8,136,603 →
Application: 12/552,156 →
Publication: US 2011/0048737
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Merger May 13, 2018
From: TESCO CORPORATION
To: NABORS DRILLING TECHNOLOGIES USA, INC.
Reel/Frame 046137/0959 →