Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6186775 | Burner for operating a heat generator | Peter Jansohn, Thomas Ruck | 2001-02-13 |
| 5055828 | Parasitic-ground current indicator for electrical system | Dietrich Konigstein | 1991-10-08 |
| 5053716 | Device for calibrating and testing ring-shaped current clamps | Diethard Hansen | 1991-10-01 |