Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6106288 | Air abrasion system for use in dental procedures | John Brassil, Andrew Burroughs, Stephen D. Barry, Shu Kun Chang, Roberto G. Fraquelli +1 more | 2000-08-22 |
| D400212 | Portable air abrasion system | John Brassil, Andrew Burroughs, Stephen D. Berry, Shu Kun Chang, Roberto G. Fraquelli +1 more | 1998-10-27 |
| D400214 | Countertop air abrasion system | John Brassil, Andrew Burroughs, Stephen D. Berry, Shu Kun Chang, Roberto G. Fraquelli +1 more | 1998-10-27 |