Hsiung; Du Y.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Hsiung; Du Y..The latest application filed is for "neutralizer for permanently waving hair".
- Hsiung; Du Y. - Park Forest IL
| Patent | Date |
|---|---|
| Neutralizer for permanently waving hair Grant 4,770,872 - Hsiung , et al. September 13, 1 | 1988-09-13 |
| Hair treating method and composition Grant 4,614,200 - Hsiung , et al. September 30, 1 | 1986-09-30 |
| Composition for altering the configuration of hair Grant 4,572,220 - Hsiung , et al. February 25, 1 | 1986-02-25 |
| Hair conditioning waving and straightening compositions and methods Grant 4,175,572 - Hsiung , et al. November 27, 1 | 1979-11-27 |
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