Shi; Feng F.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Shi; Feng F..The latest application filed is for "voice authentication system and method using a removable voice id card".
- Shi; Feng F. - Beijing CN
- Shi; Feng F - Beijing CN
| Patent | Date |
|---|---|
| Voice Authentication System And Method Using A Removable Voice Id Card App 20130060569 - Fu; Guo Kang ; et al. | 2013-03-07 |
| Voice authentication system and method using a removable voice ID card Grant 8,139,723 - Fu , et al. March 20, 2 | 2012-03-20 |
| Voice Authentication System And Method Using A Removable Voice Id Card App 20070036289 - Fu; Guo Kang ; et al. | 2007-02-15 |
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