Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4988293 | Toughness coating for crystalline orthodontic brackets | Paul R. Collins | 1991-01-29 |
| 4932865 | Crystalline orthodontic bracket | Paul R. Collins | 1990-06-12 |
| 4902224 | Crystalline orthodontic bracket | Paul R. Collins | 1990-02-20 |