Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6425606 | Diffractive anti-counterfeiting tag with naked-eye inspection and machine inspection | Ying-Tsung Lu, Jeng-Feng Lin, Pong Lai, Pai-Ping Huang, Wann-Diing Tyan | 2002-07-30 |