Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6437954 | Residual current device | — | 2002-08-20 |
| 5195008 | Differential current circuit breaker and a method of setting the tripping ranges | — | 1993-03-16 |
| 4860146 | Differential current protection circuit breaker | Fritz Pohl | 1989-08-22 |