Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6008635 | Electricity meter | Gunter Haefele, Rainer Forthner, Klaus Windsheimer | 1999-12-28 |
| 5177433 | Current-voltage transformer for electronic house-service meter | Gunter Steinmuller, Wolfgang Dohmstreich | 1993-01-05 |
| 4835516 | Arrangement for introducing audio-frequency signals into a power supply line | Karlheinz Kutschera, Rudolf Seibert, Walther Scharm | 1989-05-30 |
| 4454471 | Electronic arrangement for determination of reactive power | Gunter Steinmuller | 1984-06-12 |