Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9222176 | Alkaline cleaner for cleaning aluminum surfaces | — | 2015-12-29 |
| 8921298 | Acidic cleaner for metal surfaces | — | 2014-12-30 |
| 6998376 | Method for cleaning units used to prepare coffee | Werner Ludecke | 2006-02-14 |