Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9951427 | Coating arrangement | Peter Horling, Tristan Kaiser, Hans-Jürgen Liesegang | 2018-04-24 |
| 8870369 | Spectacles, device having a spectacles element and a hinge part, and method for fastening a hinge part to a spectacles element | — | 2014-10-28 |
| 7453777 | Method and device for optical form measurement and/or estimation | Christoph Wagner | 2008-11-18 |
| 7363683 | Spring hinge | — | 2008-04-29 |
| 6952859 | Spring hinge | — | 2005-10-11 |
| 6505933 | Spring hinge for eyewear | Klaus Schuchard | 2003-01-14 |
| 6241354 | Spring hinge | Klaus Schuchard | 2001-06-05 |
| 5797173 | Method of manufacturing a hinge for eyeglasses | — | 1998-08-25 |
| 5657107 | Spring hinge for eyewear | Otto Lehnert | 1997-08-12 |
| 5533233 | Spring hinge | Otto Lehnert | 1996-07-09 |
| 5387102 | Locking screw | Otto Lehnert | 1995-02-07 |
| 5011274 | Eyeglass frame comprising a screw joint which is protected from becoming loose | — | 1991-04-30 |