Assignment of Assignor's Interest

Recorded: 2003-05-12 Received: 2003-05-13 Pages: 3

Assignor

SEMCO CORPORATION

Executed: 2002-04-25

Assignee

BOC GROUP, INC., THE

575 MOUNTAIN AVENUE, MURRAY HILL, NJ, 07974, UNITED STATES

Covered Properties (3)

Chemical Mix and Delivery Systems and Methods Thereof

Application: 10/141,644 →

Chemical Delivery Systems and Methods of Delivery

Application: 09/968,566 →

Chemical delivery systems and methods of delivery

Application: 09/870,227 →