Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5367779 | Laser marker | — | 1994-11-29 |
| 5281039 | Pen with a toy labyrinth incorporated therein | Chi-Sheng Hsiung | 1994-01-25 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5367779 | Laser marker | — | 1994-11-29 |
| 5281039 | Pen with a toy labyrinth incorporated therein | Chi-Sheng Hsiung | 1994-01-25 |