Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4806988 | Process and an arrangement for the automatic focusing in a photographic enlarging or copying apparatus with a variable enlarging scale | — | 1989-02-21 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4806988 | Process and an arrangement for the automatic focusing in a photographic enlarging or copying apparatus with a variable enlarging scale | — | 1989-02-21 |