Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5978191 | Electrical apparatus for differential protection with a test circuit | Marc Paupert | 1999-11-02 |
| 5969930 | Differential protection device including a rectifier and a toroid having a nanocrystalline core | Marc Paupert | 1999-10-19 |
| 4663690 | Residual differential device equipped with a surveillance system for the electronic power supply | Marc Paupert | 1987-05-05 |
| 4660012 | Polarized electromagnetic relay with magnetic latching for an electric circuit breaker trip release | Pierre Schueller | 1987-04-21 |