Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4875412 | Printing press blanket cleaner | Norman D. Wright, John A. Signorelli | 1989-10-24 |
| 4667597 | Printing press blanket cleaner | Norman D. Wright, John A. Signorelli | 1987-05-26 |
| 4214530 | Metal printing plate | John A. Signorelli | 1980-07-29 |