Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4480802 | Silencer of anti-reverse fishing reel | Cheng-Hsiang Chu | 1984-11-06 |
| 4439945 | Instant push-button fastener for fishing reel seat | Cheng-Hsiang Chu | 1984-04-03 |
| 4367873 | Game ball | Chen-Shin Chu | 1983-01-11 |