Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4285098 | Door hinge having torsion bar hold-open structure | Guadalupe Martinez | 1981-08-25 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4285098 | Door hinge having torsion bar hold-open structure | Guadalupe Martinez | 1981-08-25 |