Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8464730 | Cosmetic compact | Charles Chang | 2013-06-18 |
| 7997286 | Cosmetic compact | Charles Chang | 2011-08-16 |
| 7785026 | Cosmetic applicator device | Charles Chang | 2010-08-31 |
| 7503331 | Cosmetic compact | Charles Chang | 2009-03-17 |
| 6058942 | Multiple-component cosmetic product and method of making same | — | 2000-05-09 |