Assignment of Assignor's Interest

Recorded: 2001-07-23 Received: 2001-07-31 Pages: 3

Assignors

BERCKENHOFF, MICHAEL WAYNE

Executed: 2001-05-30

HEMPHILL, EDWARD RYAN

Executed: 2001-05-31

Assignee

HYDRIL COMPANY

3300 N. SAM HOUSTON PARKWAY EAST, HOUSTON, TX, 77032, UNITED STATES

Covered Property (1)

Quick Release Blowout Preventer Bonnet

Application: 09/849,819 →