Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6487301 | Digital authentication with digital and analog documents | — | 2002-11-26 |
| D460424 | Electronic device enclosure | — | 2002-07-16 |
| 6359985 | Procedure for marking binary coded data sets | Eckhard M. Koch | 2002-03-19 |