Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4634269 | Film card camera and process for manufacturing duplicate film cards | Ullrich Welp, Willi Kramer, Bernd Lack | 1987-01-06 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4634269 | Film card camera and process for manufacturing duplicate film cards | Ullrich Welp, Willi Kramer, Bernd Lack | 1987-01-06 |