Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7690163 | Polymeric door facing with textured interior surface, and method of forming same | David McMahan, James Pfau, Tamra Williams, Liqun Xu | 2010-04-06 |
| 6471897 | Composite article and method of making same | John Peter Walsh, Allen R. Hill | 2002-10-29 |
| 6030562 | Method of making cellulosic composite articles | Thomas A. Lehtinen, John Peter Walsh, Allen R. Hill | 2000-02-29 |