Si-Hoe; Kok S.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Si-Hoe; Kok S..The latest application filed is for "combined electric toothbrush and holder therefor".
- Si-Hoe; Kok S. - N/A SG
- Si-Hoe; Kok S. - Singapore 1128 SG
| Patent | Date |
|---|---|
| Combined electric toothbrush and holder therefor Grant D341,943 - Si-Hoe December 7, 1 | 1993-12-07 |
| Electric toothbrush Grant 5,054,149 - Si-Hoe , et al. October 8, 1 | 1991-10-08 |
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