IP Library Assignment 021957/0811
Patent Assignment
Reel/Frame 021957/0811

Assignment of Assignor's Interest

Recorded: 2008-12-10 Pages: 3
Assignor
ANGMAN, PER G.
Executed: 2008-12-08
Assignee
TESCO CORPORATION
6204-6A STREET SE, CALGARY, ALBERTA, T2H 2B7, CANADA
Covered Property (1)
Well String Centralizer and Method of Forming
Patent: 8,141,629 →
Application: 12/302,553 →
Publication: US 2009/0151931
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Merger Sep 7, 2018
From: TESCO CORPORATION
To: NABORS DRILLING TECHNOLOGIES USA, INC.
Reel/Frame 047032/0021 →