Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D330571 | Laser-protection spectacles | Heinz-Wilhelm Paysan, Wolfgang Grimm, Hermann Schurle, Hans Gaiser | 1992-10-27 |
| 5146623 | Safety spectacles against laser radiation | Heinz-Wilhelm Paysan, Wolfgang Grimm, Hermann Schurle, Hans Gaiser | 1992-09-15 |
| 5133595 | Length-adjustable spectable temple | Norbert Nowottny | 1992-07-28 |
| 4529279 | Eyeglass frame | — | 1985-07-16 |