Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10731960 | Ruler surface structure for clear marks display in a dim light | — | 2020-08-04 |
| D816263 | Decorative light base | Lio Yenwei Chang | 2018-04-24 |
| D791381 | Decorative light | Lio Yenwei Chang | 2017-07-04 |
| 8910877 | Inductive identification card | — | 2014-12-16 |