Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5427306 | Reinforced bulk material box | Paul F. Petriekis, Robert A. VanBeek, Michael Wilford | 1995-06-27 |
| 5417341 | Box and a packaging system for containing elongate fragile objects | Paul F. Petriekis, John R. Gruber, Joe Hall, John H. Schwan, Robert A. Van Beek | 1995-05-23 |
| 5143278 | Reinforced bulk material box | Paul F. Petriekis, Michael Wilford | 1992-09-01 |
| 4981008 | Tomato packing machine | Edward L. Ott, Carl D. Deshich | 1991-01-01 |