Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6938542 | Embossing tool | Chen Cheng Nan | 2005-09-06 |
| D433062 | Hole puncher | — | 2000-10-31 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6938542 | Embossing tool | Chen Cheng Nan | 2005-09-06 |
| D433062 | Hole puncher | — | 2000-10-31 |