Hsu; Yun-Tung
Patent Applications and Registrations
Patent applications and USPTO patent grants for Hsu; Yun-Tung.The latest application filed is for "flexible key and lock assembly".
- Hsu; Yun-Tung - Taipei TW
| Patent | Date |
|---|---|
| Flexible key and lock assembly Grant 5,086,632 - Hsu February 11, 1 | 1992-02-11 |
| Gravity return hinge having an axle rod in an axle sleeve Grant 4,391,020 - Hsu July 5, 1 | 1983-07-05 |
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