Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6032565 | Multi-use rotary die plate system | Frank Okonski, Edward J. Porento, Sr. | 2000-03-07 |
| 5697277 | Multi use rotary die plate system | Frank Okonski, Edward J. Porento, Sr. | 1997-12-16 |