Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5644222 | Process for testing an electronic electricity meter | Klaus Windsheimer | 1997-07-01 |
| 5177433 | Current-voltage transformer for electronic house-service meter | Manfred Schwendtner, Gunter Steinmuller | 1993-01-05 |
| 5032974 | Three-phase alternating current circuit configuration, for using a power supply for the synchronized timing for an electrical apparatus | Guenter Steinmueller | 1991-07-16 |