Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4863331 | Method of making half-binding hard covers for books and a machine for the implementation thereof | — | 1989-09-05 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4863331 | Method of making half-binding hard covers for books and a machine for the implementation thereof | — | 1989-09-05 |