Shih; Chao-Hua
Patent Applications and Registrations
Patent applications and USPTO patent grants for Shih; Chao-Hua.The latest application filed is for "needle-retractable safety hypodermic syringe".
- Shih; Chao-Hua - Wugu Shiang Taipei TW
- Shih; Chao-Hua - Wugu Industrial Park TW
- Shih, Chao-Hua - Taipei TW
| Patent | Date |
|---|---|
| Retractable safe syringe Grant 7,364,569 - Shih April 29, 2 | 2008-04-29 |
| Needle-retractable safety hypodermic syringe App 20070073245 - Shih; Chao-Hua | 2007-03-29 |
| Safe retractable type syringe App 20050203458 - Shih, Chao-Hua | 2005-09-15 |
| Retractable safe syringe App 20050107747 - Shih, Chao-Hua | 2005-05-19 |
| Retractable safety type operatable with single-hand App 20050038395 - Shih, Chao-Hua | 2005-02-17 |
| Safety retractable type syringe App 20040210198 - Shih, Chao-Hua | 2004-10-21 |
| Retractable type safety syringe App 20040153035 - Shih, Chao-Hua | 2004-08-05 |
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