Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7056424 | Cathode for electrochemical regeneration of permanganate etching solutions | Sebastian Dünnebeil | 2006-06-06 |
| 6908515 | Treatment of circuit support with impulse excitation | Rolf Schroder, Hans-Joachim Grapentin, Regina Czeczka | 2005-06-21 |