Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4860886 | Pre-glued display carton with integral display panel | David W. Northrup | 1989-08-29 |
| 4836364 | Shadow box carton with strut improvement | Lawrence V. Brom | 1989-06-06 |
| 4813539 | Carton with core retaining projections | Thomas W. Church | 1989-03-21 |