Assignment of Assignor's Interest

Recorded: 2003-12-22 Received: 2003-12-29 Pages: 3

Assignor

PETRO VANTAGE, INC.

Executed: 2003-10-02

Assignee

ASPEN TECHNOLOGY, INC.

10 CANAL PARK, CAMBRIDGE, MA, 02141, UNITED STATES

Covered Properties (2)

Method for the Production of a Blood Component Composition

Application: 10/738,439 →

Computer method and apparatus for petroleum trading and logistics

Application: 09/950,291 →