Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6048474 | Dielectric fluid for the machining of metal by means of spark erosion | Wilhelm Rehbein | 2000-04-11 |
| 5773782 | Method and apparatus for the machining of metal by spark erosion | Wilhelm Rehbein | 1998-06-30 |