Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4354405 | Punch edge guide indicator and method | Elmer G. Szanto, Salvatore J. Barone | 1982-10-19 |
| 4324013 | Punching and binding machine | — | 1982-04-13 |
| 4293366 | Punching and binding machine | Elmer G. Szanto, Charles J. Ulrich | 1981-10-06 |