Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6580347 | Magnetic core that is suitable for use in a current transformer, method for the production of a magnetic core and current transformer with a magnetic core | Jörg Petzold | 2003-06-17 |
| 6563411 | Current transformer with direct current tolerance | Joerg Petzold | 2003-05-13 |
| 6507262 | Magnetic core that is suitable for use in a current transformer, method for the production of a magnetic core and current transformer with a magnetic core | Jörg Petzold | 2003-01-14 |