Issued Patents 2011
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D635102 | Wall switch | Gallen Ka Leung Tsui | 2011-03-29 |
| 7899130 | Transmitter for operating multiple devices | — | 2011-03-01 |
| 7884701 | External barrier operator device | Gallen Ka Leung Tsui | 2011-02-08 |
| 7863777 | Low power switching circuit | Gallen Ka Leung Tsui | 2011-01-04 |