Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6909928 | Method for manufacturing coils | Georg K. Krause-Sennewald | 2005-06-21 |
| 6753750 | 1.2 kV class porcelain bushing withstanding 45 kV standard lighting impulse voltage | — | 2004-06-22 |