Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5573177 | Reclosable hinged flap | — | 1996-11-12 |
| 5366142 | Cardboard box having corner seals | — | 1994-11-22 |
| 5333779 | Flat blank for containers and method case II | John M. Sykora | 1994-08-02 |