Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5619026 | Grayscale barcode reading apparatus system including translating device for translating a pattern image into a sequence of bar widths and transition directions | Paul Bao-Luo Chou, Frederick Y. Wu | 1997-04-08 |