Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6595225 | Pull rod structure of self-opening umbrella | Wen-Chieh Chuang | 2003-07-22 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6595225 | Pull rod structure of self-opening umbrella | Wen-Chieh Chuang | 2003-07-22 |