Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5264041 | Method for cleaning a vessel | Klaus Kuhnke, Alexander Langner, Klaus Pflugbeil, Dorothea Moldenhauer, Siegfried Kohler | 1993-11-23 |
| 5164015 | Method for cleaning a vessel | Klaus Kuhnke, Alexander Langner, Klaus Pflugbeil, Dorothea Moldenhauer, Siegfried Kohler | 1992-11-17 |