IP Library Assignment 014060/0645
Patent Assignment
Reel/Frame 014060/0645

Assignment of Assignor's Interest

Recorded: 2002-12-09 Pages: 3
Assignor
ANGMAN, PER G.
Executed: 2002-06-29
Assignee
TESCO CORPORATION
6204 - 6A STREET SE, CALGARY, T2H 2B7, CANADA
Covered Property (1)
Method for Drilling with Casing
Patent: 7,044,241 →
Application: 10/297,629 →
Publication: US 2004/0026126
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Jan 18, 2013
From: TESCO CORPORATION
To: SCHLUMBERGER TECHNOLOGY CORPORATION
Reel/Frame 029659/0540 →