Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5106491 | Device for eliminating boiler scale using arrangement of magnetic coils and baffle plates | Rudolph Eberhard | 1992-04-21 |
| 4818395 | Device for eliminating scale and for preventing the formation of scale | Eberhard Rudolph | 1989-04-04 |