Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6305600 | Carton having a prefolded interior paper lining and a method of preparing a carton with a prefolded interior paper lining | Urban C. Hirschey, Mark U. Hirschey | 2001-10-23 |
| 5989171 | Carton having a prefolded interior paper lining and a method of preparing a carton with a prefolded interior paper lining | Urban C. Hirschey, Mark U. Hirschey | 1999-11-23 |