Security Agreement

Recorded: 2007-03-02 Received: 2007-03-02 Pages: 3

Assignor

TIETEK TECHNOLOGIES, INC.

Executed: 2004-02-05

Assignee

TIE INVESTORS, LLC

5949 SHERRY LANE, SUITE 1900, DALLAS, TX, 75225, UNITED STATES

Covered Property (1)

Railroad Tie and Method for Making Same

Application: 09/800,171 →