Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4746413 | Process for regenerating and detoxifying electrolytes used in the electrochemical treatment of metal | Wilhelm Gotzelmann | 1988-05-24 |
| 4612101 | Apparatus for the electrochemical etching of grooves of very small width | Bernd Wolter | 1986-09-16 |