Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D1095152 | Insulated drinking cup | Changgen Ying | 2025-09-30 |
| 12378044 | Press-type cup lid | Changgen Ying | 2025-08-05 |
| 12065287 | Threadless stopper cover for containers | Changgen Ying | 2024-08-20 |