Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4810873 | Method and device for automatic compensation of the attenuation of a fiber optical measurement value transmission | Urs Ammann, Thomas Dobler, Georg Mastner | 1989-03-07 |
| 4810891 | Method for the automatic identification of the type of measuring head of a fiber optic measurement value acquisition and transmission device | Georg Mastner | 1989-03-07 |
| 4802731 | Optical waveguide arrangement for a high-voltage insulator | Georg Mastner, Branko Tomic | 1989-02-07 |