Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10106297 | Reclosable bag with header | Li-yung Chang | 2018-10-23 |
| D812488 | Reclosable bag with tearable header | Li-yung Chang | 2018-03-13 |
| 9511911 | Reclosable bag with header | Li-yung Chang | 2016-12-06 |