Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4783672 | Method and apparatus for coding photographic materials | John S. Wirtz | 1988-11-08 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4783672 | Method and apparatus for coding photographic materials | John S. Wirtz | 1988-11-08 |