Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8813313 | Spring-biased floor-mounted door hinge | Francisco Alan Freitas Marinho, Maria Do Socorro Gomes de Araujo | 2014-08-26 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8813313 | Spring-biased floor-mounted door hinge | Francisco Alan Freitas Marinho, Maria Do Socorro Gomes de Araujo | 2014-08-26 |