Assignment of Assignor's Interest

Recorded: 2002-12-09 Pages: 4

Assignors

VERT, JEFFERY WALTER

Executed: 2002-07-16

ANGMAN, PER G.

Executed: 2002-07-16

Assignee

TESCO CORPORATION

6204-6A STREET SE, CALGARY, ALBERTA, T2H 2B7, CANADA

Covered Property (1)

Cement Float and Method for Drilling and Casing a Wellbore with a Pump Down Cement Float

Patent: 7,428,927 →

Application: 10/297,633 →

Publication: US 2004/0060700

Related Assignments (1)

Other recorded transfers of the patent in this record — the chain of ownership.