Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6106910 | Print media with near infrared fluorescent sense mark and printer therefor | Yaoping Tan, Maurice W. Lewis | 2000-08-22 |
| 6060426 | Thermal paper with security features | Yaoping Tan, Maurice W. Lewis | 2000-05-09 |