Chianh; Yung Huang
Patent Applications and Registrations
Patent applications and USPTO patent grants for Chianh; Yung Huang.The latest application filed is for "structure of biochemical filter ball".
- Chianh; Yung Huang - Tao Yuan City TW
| Patent | Date |
|---|---|
| Structure of biochemical filter ball Grant 5,690,819 - Chianh November 25, 1 | 1997-11-25 |
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