Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7490948 | Multifunction reading light and book covers therefore | Wai Hong Chan, Sze Man Cheung | 2009-02-17 |
| D542457 | Multi-function reading light for attachment to book covers | Wai Hong Chan, Sze Man Cheung, Robert L. Naas | 2007-05-08 |