Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9351374 | Multi-mode photo-controlled light with timer circuit | Kao Wen-Chang | 2016-05-24 |
| 8836246 | Multi-mode photo-controlled light with timer circuit | Kao Wen-Chang | 2014-09-16 |