Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6800600 | Cleaning agent containing alcoholate | Werner Strothoff, Guenter Hellmann | 2004-10-05 |
| 6718991 | Process and an arrangement for machine dishwashing | Jacques Breyer, Guenter Hellmann, Klaus Wilbert | 2004-04-13 |