Huang; Yen-Hui
Patent Applications and Registrations
Patent applications and USPTO patent grants for Huang; Yen-Hui.The latest application filed is for "head mounted breathing apparatus".
- Huang; Yen-Hui - Taichung TW
- Huang; Yen-Hui - Dajia Town TW
- Huang, Yen-Hui - Taipei Hsien TW
| Patent | Date |
|---|---|
| Head Mounted Breathing Apparatus App 20160339192 - Lee; Tsung-En ; et al. | 2016-11-24 |
| On-off Valve App 20120199778 - HUANG; YEN HUI | 2012-08-09 |
| Relief Valve Device App 20110036423 - Yi; Chen-Hsing ; et al. | 2011-02-17 |
| Pneumatic Valve Device App 20100313978 - Yi; Chen-Hsing ; et al. | 2010-12-16 |
| Mobile Device Combining Business Card with Chip App 20100115164 - Huang; Yen-Hui ; et al. | 2010-05-06 |
| Method of authenticating user access to network stations App 20050044377 - Huang, Yen-Hui | 2005-02-24 |
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