Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4875858 | Method and composition for detecting dentin | Steven R. Jefferies | 1989-10-24 |
| 4816495 | Biologically compatible adhesive visible light curable compositions | Gordon Blackwell | 1989-03-28 |
| 4814423 | Dual bonding adhesive composition | Steven R. Jefferies | 1989-03-21 |