Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6402342 | Cold-light emitting frisbee | — | 2002-06-11 |
| 6394468 | Dual-purpose shoe | Chia-Yi Cheng | 2002-05-28 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6402342 | Cold-light emitting frisbee | — | 2002-06-11 |
| 6394468 | Dual-purpose shoe | Chia-Yi Cheng | 2002-05-28 |