Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5677540 | Optical notch detector head for photographic film | Carl W. Roy, John A. Schempp, Jr. | 1997-10-14 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5677540 | Optical notch detector head for photographic film | Carl W. Roy, John A. Schempp, Jr. | 1997-10-14 |