Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6483285 | Electricity meter with an additional computing module | George Kostell | 2002-11-19 |
| 4434400 | Circuit for supervising an electronic electricity meter | Mathis Halder, Jacob De Vries | 1984-02-28 |