Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8302259 | Spring hinge for spectacles | — | 2012-11-06 |
| 8166610 | Spring hinge | Frank Wienicke | 2012-05-01 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8302259 | Spring hinge for spectacles | — | 2012-11-06 |
| 8166610 | Spring hinge | Frank Wienicke | 2012-05-01 |