Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5018660 | Container and blank for constructing same | Leo J. Esper, David C. Jorgensen, Michael G. Schneider, Raymond M. Phillips, Bruce C. Dauzy | 1991-05-28 |
| 4990128 | Carton end panel folding mechanism | — | 1991-02-05 |
| 4911306 | Flat top end closure for liquid containers | Robert E. Lisiecki | 1990-03-27 |
| 4589862 | Apparatus for folding and tucking a container closure | — | 1986-05-20 |