Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7174573 | Decorative multiple layered hat | Hsin-Chang Chen, Ying-Ta Lu | 2007-02-13 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7174573 | Decorative multiple layered hat | Hsin-Chang Chen, Ying-Ta Lu | 2007-02-13 |