Issued Patents 2005
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6948068 | Method and apparatus for reading digital watermarks with a hand-held reader device | John A. Moon | 2005-09-20 |
| 6908505 | Thermochromic compositions of color formers and lewis acids | Timothy James Driscoll, Charles M. Zepp | 2005-06-21 |
| 6881915 | Contrast enhancing marking system for application of unobtrusive identification and other markings | Timothy James Driscoll, Charles M. Zepp | 2005-04-19 |
| 6874639 | Methods and apparatus employing multi-spectral imaging for the remote identification and sorting of objects | — | 2005-04-05 |