IP Library Assignment 018436/0147
Patent Assignment
Reel/Frame 018436/0147

Assignment of Assignor's Interest

Recorded: 2006-10-25 Pages: 7
Assignors
SLACK, MAURICE WILLIAM
Executed: 2004-07-27
TESSARI, ROBERT M.
Executed: 2004-07-14
ANGMAN, PER G.
Executed: 2004-07-15
WARREN, TOMMY M.
Executed: 2004-07-15
Assignee
TESCO CORPORATION
6204 - 6A STREET SE, CALGARY, T2H 2B7, CANADA
Covered Property (1)
Wear Resistant Tubular Connection
Patent: 7,472,763 →
Application: 11/549,007 →
Publication: US 2007/0074868
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 047031/0897 →