Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7758188 | Method of manufacturing rimless spectacles and a mask suited for use with said method | Herbert Reikerstorfer | 2010-07-20 |
| 6588894 | Rimless spectacles | — | 2003-07-08 |
| 6241353 | Method for making a central piece of a flexible full-rim frame for eyeglasses | — | 2001-06-05 |
| 6074058 | Central piece of a full-rim frame for eyeglasses | — | 2000-06-13 |
| 5980039 | Breakaway hinge for eyeglasses | Rudolf Schmid | 1999-11-09 |
| D314781 | End piece for eyeglass temples | Helmut Wiedmann | 1991-02-19 |
| D310229 | End piece for eyeglass temples | — | 1990-08-28 |
| D310228 | End piece for eyeglass temples | Helmut Wiedmann | 1990-08-28 |
| D310087 | End piece for eyeglass temples | Helmut Wiedmann | 1990-08-21 |
| D308978 | Adjustable eyeglasses | — | 1990-07-03 |
| 4925291 | Temple end piece for the temple of a spectacle frame | Helmut Wiedman | 1990-05-15 |
| 4873994 | Device for determining the forces in the area of the contact surfaces between a spectacle frame and the head of the wearer | Christoph Leuzinger | 1989-10-17 |
| 4820034 | Temple end piece for a temple of a spectacle frame | — | 1989-04-11 |
| 4804260 | Temple for eyeglasses | — | 1989-02-14 |
| 4787728 | Temple for a spectacle frame | — | 1988-11-29 |
| 4762407 | Process for preparation of spectacles | Eric Steinhauer | 1988-08-09 |
| 4712893 | Temple end piece for a temple of a spectacle frame | — | 1987-12-15 |
| 4692001 | Rimless spectacles for correction purposes | — | 1987-09-08 |
| 4684226 | Temple end piece for a temple of a spectacle frame | — | 1987-08-04 |
| 4652098 | End piece for the temple of a spectacle frame | — | 1987-03-24 |
| D286891 | Pair of end pieces for eyeglass temples | — | 1986-11-25 |