Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D648030 | Self-ligating orthodontic bracket | Patrick Roman, Osvaldo Del Castillo, Hector Del Castillo | 2011-11-01 |
| 5967773 | Orthodontic bracket with spring cover | Patrick Roman | 1999-10-19 |