Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6506019 | Boat propeller capable of being easily changed in pitch thereof | Yeun-Junn Lin, Chih-Chiang Tsai, Ya-Jung Lee | 2003-01-14 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6506019 | Boat propeller capable of being easily changed in pitch thereof | Yeun-Junn Lin, Chih-Chiang Tsai, Ya-Jung Lee | 2003-01-14 |