Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6960084 | Method and system for selectively staining dental composite resin | Paul C. Chiu | 2005-11-01 |
| 6579096 | Method and system for selectively staining dental composite resin | Paul C. Chiu | 2003-06-17 |