Assignment of Assignor's Interest

Recorded: 2011-02-18 Pages: 4

Assignors

ASKELAND, TOM KJETIL

Executed: 2010-10-25

EDVARDSEN, PER ESPEN

Executed: 2010-10-25

Assignee

SIEM WIS AS

KNARREVIK NAERINGSPARK, KNARREVIK, N-5355, NORWAY

Covered Property (1)

Seal for a Drill String

Patent: 8,066,062 →

Application: 12/597,823 →

Publication: US 2010/0218937