Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6752432 | Identification card with embedded halftone image security feature perceptible in transmitted light | — | 2004-06-22 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6752432 | Identification card with embedded halftone image security feature perceptible in transmitted light | — | 2004-06-22 |