Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6773639 | Method of and system for forming a fire door core | Michael Windsor Symons | 2004-08-10 |
| 6689301 | Method of manufacturing a molded door skin from a wood composite, door skin produced therefrom, and door manufactured therewith | — | 2004-02-10 |