Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4364107 | Method and device for using mass-produced light-emitting diodes at a predetermined luminance | Hanne-Lore Wieczorek, Helmut Gassenhuber | 1982-12-14 |
| 4329737 | Light-emitting diode arrangement | Helmut Gassenhuber | 1982-05-11 |