IP Library Assignment 023194/0882
Patent Assignment
Reel/Frame 023194/0882

Assignment of Assignor's Interest

Recorded: 2009-09-04 Pages: 3
Assignor
ERIKSEN, ERIK P., MR.
Executed: 2009-09-02
Assignee
TESCO CORPORATION
6204 - 6A STREET SE, CALGARY, ALBERTA, T2H 2B7, CANADA
Covered Property (1)
Method of Drilling and Running Casing in Large Diameter Wellbore
Patent: 8,281,878 →
Application: 12/554,185 →
Publication: US 2011/0056703
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 →