Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7075717 | Comparison macroscope having an illumination system for specimens | Claudia Gluch, Christian Woditschka | 2006-07-11 |
| 4363536 | Instrument base for optical devices | Andreas Thaer, Willi Hagner, Horst Riegel | 1982-12-14 |
| 4284327 | Microscope with attachable illuminating devices | Winfried Kraft, Robert Lisfeld, Willi Hagner, Karl Wieber | 1981-08-18 |
| 4233650 | Brightness control for fiber optical lamps | Willi Hagner | 1980-11-11 |