Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6170224 | Multi-panel hollow door structures and manufacturing methods employing paperboard cores | George C. Boyse, David J. Wierzbicki | 2001-01-09 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6170224 | Multi-panel hollow door structures and manufacturing methods employing paperboard cores | George C. Boyse, David J. Wierzbicki | 2001-01-09 |