Assignment of Assignor's Interest

Recorded: 2011-05-26 Received: 2011-05-26 Pages: 13

Assignor

PORTEC RAIL PRODUCTS, INC.

Executed: 2010-12-22

Assignee

KOPPERS DELAWARE, INC.

501 SILVERSIDE ROAD, SUITE 67, WILMINGTON, DE, 19809, UNITED STATES

Covered Properties (14)

Center Supported Bond Joint

Application: 12/479,301 →

Rail Joint Bars and Rail Joint Assemblies

Application: 12/353,269 →

Notched Tie Plate Insulator

Application: 12/199,915 →

Lap Joint

Application: 11/900,635 →

Wrap-around joint bar sleeve insulator

Application: 11/504,229 →

Rail Joint Bars and Rail Joint Assemblies

Application: 11/503,865 →

Method and Arrangement to Insulate Rail Ends

Application: 11/375,372 →

PCT: PCTUS2006009102 ↗

Tie Plate

Application: 11/269,160 →

Wrap-Around Joint Bar Sleeve Insulator

Application: 29/236,399 →

Center Supported Bond Joint

Application: 29/221,351 →

Profiled Bar

Application: 10/838,173 →

Rail Joint Bars and Rail Joint Assemblies

Application: 10/838,172 →

Profiled Bar

Application: 29/181,073 →

Gauge Plate and Switch Rod Insulators

Application: 09/941,010 →