IP Library Assignment 020716/0738
Patent Assignment
Reel/Frame 020716/0738

Assignment of Assignor's Interest

Recorded: 2008-03-24 Pages: 3
Assignor
ANGMAN, PER G.
Executed: 2008-02-23
Assignee
TESCO CORPORATION
6204 - 6A STREET SE, CALGART, AB, CALIFORNIA, AB T2H 2B7
Covered Property (1)
Well String Centralizer and Method of Forming
Patent: 8,225,864 →
Application: 11/961,642 →
Publication: US 2008/0164019
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 046138/0001 →