Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9725647 | Anti-counterfeiting yarn and preparation method thereof | Chun Yu Yeung, Chin Ho So | 2017-08-08 |
| 6315255 | Handset holder | Ip Pui Wah | 2001-11-13 |
| 6317588 | LCD support frame | Alastair Curtis | 2001-11-13 |
| 4223283 | Two into three port phase shifting power divider | — | 1980-09-16 |