Assignment of Assignor's Interest

Recorded: 2005-08-05 Received: 2005-08-16 Pages: 5

Assignor

BT/CS ACQUISITION CORP.

Executed: 2005-07-13

Assignee

CONTECH ARCH TECHNOLOGIES, INC.

C/O CONTECH CONSTRUCTION PRODUCTS INC., 1001 GROVE STREET, MIDDLETOWN, OH, 05044, UNITED STATES

Covered Properties (10)

Open bottom fiber reinforced precast concrete arch unit

Application: 11/074,488 →

Method for Improving the Environment Within Soil Embedded Culvert and Bridge Systems

Application: 11/002,780 →

Precast Concrete Bridge Unit

Application: 29/217,514 →

Concrete Bridge and Headwall Unit

Application: 29/213,162 →

Precast Concrete Retaining Wall

Application: 10/790,491 →

Concrete Bridge with Integral Footers

Application: 29/200,559 →

Concrete Bridge and Head Wall Unit

Application: 29/200,558 →

Concrete Tunnel for a Rapid Transit Train

Application: 29/175,887 →

Precast Concrete Culvert System

Application: 10/353,477 →

Concrete Tunnel for a Rapid Transit Train

Application: 29/174,704 →