Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D441324 | Bicycle chain ring | Tung-Chien Chiu | 2001-05-01 |
| D438148 | Bicycle chain ring | Tung-Chien Chiu | 2001-02-27 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D441324 | Bicycle chain ring | Tung-Chien Chiu | 2001-05-01 |
| D438148 | Bicycle chain ring | Tung-Chien Chiu | 2001-02-27 |