IP Library Assignment 019242/0692
Patent Assignment
Reel/Frame 019242/0692

Assignment of Assignor's Interest

Recorded: 2007-05-03 Pages: 5
Assignors
VERT, JEFFERY WALTER
Executed: 2001-07-17
ANGMAN, PER G.
Executed: 2001-07-16
Assignee
TESCO CORPORATION
6204 - 6A STREET SE, CALGARY, T2H 2B7, CANADA
Covered Property (1)
Method for Drilling and Casing a Wellbore with a Pump Down Cement Float
Patent: 7,757,764 →
Application: 11/743,437 →
Publication: US 2007/0204993
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 →