Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7467504 | Packaging system for split package assembly | Matthew M. Mate, Thomas E. Dellwo, David F. Ackley, Daniel D. Schroeder, Kevin Nelson +1 more | 2008-12-23 |
| 5140133 | Electrical impulse hot hole punch for making a tear-resistant hole in thermoplastic film | Charles F. Rebhun, Zigmunt J. Walkiewicz, Jr. | 1992-08-18 |
| 5134835 | Film wrapping apparatus | Zigmunt J. Walkiewicz, Jr. | 1992-08-04 |