Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4620724 | Binding strips for rectangular hole punched paper | William H. Abildgaard | 1986-11-04 |
| 4570351 | Book core gauge and positioning guide for casing book cores | Franklin J. Davio, Lloyd V. Wallace | 1986-02-18 |
| 4442743 | Punching machine | — | 1984-04-17 |
| 4354405 | Punch edge guide indicator and method | George Wu, Salvatore J. Barone | 1982-10-19 |
| 4354783 | Punching and binding machine | — | 1982-10-19 |
| 4293366 | Punching and binding machine | George Wu, Charles J. Ulrich | 1981-10-06 |
| 4270970 | Punching and binding machine | Charles J. Ulrich | 1981-06-02 |