Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9359121 | Vacuum sealed container for storing foodstuffs | — | 2016-06-07 |
| 8113246 | Vacuum fresh-keeping cover | — | 2012-02-14 |
| 5721476 | Control circuit for lamps with a melody output | Chih-hai Su | 1998-02-24 |