Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11524828 | Tamper evident bag | Li-yung Chang, Ben Tseng | 2022-12-13 |
| D958668 | Tamper evident bag | Li-yung Chang, Ben Tseng | 2022-07-26 |
| 10793335 | Tamper evident bag | Li-yung Chang, Ben Tseng | 2020-10-06 |
| D891267 | Tamper evident bag | Li-yung Chang, Ben Tseng | 2020-07-28 |
| 10604305 | Tamper evident bag | Li-yung Chang, Ben Tseng | 2020-03-31 |
| D878924 | Low profile carry bag | Li-yung Chang, Ben Tseng | 2020-03-24 |