Hwang; Shih M.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Hwang; Shih M..The latest application filed is for "massaging/skin-scraping rod for traveller".
- Hwang; Shih M. - Irvine CA
- Hwang; Shih M. - Taipei
- Hwang; Shih M. - Taipei City 106 TW
| Patent | Date |
|---|---|
| Massaging/skin-scraping rod for traveller Grant 5,624,385 - Hwang April 29, 1 | 1997-04-29 |
| Massager Grant D352,786 - Hwang November 22, 1 | 1994-11-22 |
| Trumpet horn speaker Grant 4,550,229 - Hwang October 29, 1 | 1985-10-29 |
| Safety groove of tubular locks Grant 4,546,629 - Hwang October 15, 1 | 1985-10-15 |
| Quincunx-shaped lock device Grant 4,507,945 - Hwang April 2, 1 | 1985-04-02 |
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