Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6557562 | Hair perming method | — | 2003-05-06 |
| 4614200 | Hair treating method and composition | Du Y. Hsiung, Billye J. Branch | 1986-09-30 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6557562 | Hair perming method | — | 2003-05-06 |
| 4614200 | Hair treating method and composition | Du Y. Hsiung, Billye J. Branch | 1986-09-30 |