Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12372806 | Spectacles joint | Martin Guentert, Ina-Marie Kater, Norbert M. Meier, Michael Tuerr | 2025-07-29 |
| 8820922 | Eyeglass joint and eyeglass frame | Daniel Haffmans, Phillipp Haffmans, Harald Gottschling, Martin Guentert | 2014-09-02 |
| 7997722 | Spectacle frame comprising a joint for bending the spectacle bows | Harald Gottschling, Philipp Haffmans, Daniel Haffmans | 2011-08-16 |
| 7604347 | Spectacle frame | Harald Gottschling, Philipp Haffmans, Daniel Haffmans | 2009-10-20 |