Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8951042 | Dental prosthesis | — | 2015-02-10 |
| 8533913 | Spring hinge for spectacles | Martin Sprickler | 2013-09-17 |
| 8307501 | Spring hinge between a bow and a bow cheek of a pair of spectacles | — | 2012-11-13 |
| 7946704 | Spring hinge between a bow cheek and a bow of a pair of spectacles | — | 2011-05-24 |
| 7874042 | Spring hinge for spectacles | — | 2011-01-25 |
| 7735193 | Spring hinge for spectacles | — | 2010-06-15 |