Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5657396 | Method and apparatus for pattern recognition and validation, especially for hand-written signatures | Volker Rudolph | 1997-08-12 |
| 5621816 | Method and apparatus for elimination of color from multi-color image documents | — | 1997-04-15 |