Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6375864 | Daylight/nightglow colored phosphorescent plastic compositions and articles | Tracy L. Phillips | 2002-04-23 |
| 6168853 | Laser marking of phosphorescent plastic articles | Ke Feng | 2001-01-02 |
| 6118096 | Laser marking of phosphorescent plastic articles | Ke Feng | 2000-09-12 |
| 5976411 | Laser marking of phosphorescent plastic articles | Ke Feng | 1999-11-02 |