Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6334683 | Eye illumination system and method | Howard P. Apple, Xiaofeng Han | 2002-01-01 |
| 6193373 | Eye illumination system and method | Howard P. Apple, Xiaofeng Han | 2001-02-27 |
| 6007202 | Eye illumination system and method | Howard P. Apple, Xiaofeng Han | 1999-12-28 |