Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6759377 | Detergent for vitroceramic surfaces | Marion Hackenthal, Alexandra Hary, Edgar Endlein | 2004-07-06 |
| 6720300 | Liquid cleaning agent or detergent composition | Edgar Endlein, Karl-Ludwig Gibis, Alexandra Hary, Roger Kaiser | 2004-04-13 |