Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6455124 | Method for extruding ceramic honeycombs | Douglas Munroe Beall, Christopher John Malarkey, Mark Allen Spetseris, David Robertson Treacy, Jr. | 2002-09-24 |
| 6413072 | Extrusion die and methods of forming | Harry A. Kragle | 2002-07-02 |