Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5548368 | Film cassete spool with exposure indicator | John Tutton | 1996-08-20 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5548368 | Film cassete spool with exposure indicator | John Tutton | 1996-08-20 |