Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6613444 | Backing-lined sanitary article and process for the production thereof | Rudiger Jaeckel, Hans Josef Ritzert, Ralf Debes, Peter Seelmann | 2003-09-02 |
| 6509086 | Backed sanitaryware and process for the production thereof | Ralf Debes | 2003-01-21 |