Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6643237 | Method and apparatus for the authentication of encoded data | Thomas M. Stephany | 2003-11-04 |
| 6561429 | Adjustable reader arrangement and method of reading encoded indicia formed on an object | David Nelson | 2003-05-13 |
| 6542622 | Methods and articles for determining invisible ink print quality | David Nelson, Kevin W. Williams | 2003-04-01 |