Intellectual Property Security Agreement

Recorded: 2003-04-01 Received: 2003-04-02 Pages: 10

Assignor

SEQUAL TECHNOLOGIES INC.

Executed: 2003-02-28

Assignee

ENDPOINT LATE-STAGE FUND, L.P.

400 MADISON AVE., SUITE 7C, NEW YORK, NY, 10017, UNITED STATES

Covered Properties (4)

Portable Oxygen Concentration System and Method of Using the Same

Application: 10/134,868 →

Portable Oxygen Concentration System and Method of Using the Same

Application: 10/105,657 →

Vacuum-Pressure Swing Absorption Fractionator and Method of Using the Same

Application: 09/931,966 →

Rotary Valve Assembly for Pressure Swing Adsorption System

Application: 09/925,146 →