IP Library Assignment 017188/0733
Patent Assignment
Reel/Frame 017188/0733

Assignment of Assignor's Interest

Recorded: 2005-06-06 Pages: 4
Assignor
SLACK, MAURICE WILLIAM
Executed: 2004-02-26
Assignee
TESCO CORPORATION
6204 - 6A STREET SE, CALGRY, ALBERTA, T2H 2B7, CANADA
Covered Property (1)
Seal Cup for a Wellbore Tool and Method
Patent: 7,328,742 →
Application: 10/537,771 →
Publication: US 2006/0151182
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 →