Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D1051429 | Ligature resistant swinging door | Francis Colligan, Stephan Isaac Marquez | 2024-11-12 |
| 11708713 | Ligature resistant swinging door system | Francis Colligan | 2023-07-25 |