Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6815494 | Aqueous coating material, especially aqueous filler or protective base against stones | Ulrike Rockrath, Bärbel Wiatr, Marita Schilling, Ralf Stein | 2004-11-09 |
| 6677424 | Coating composition | Hans-Jünrgen Figge, Marita Schilling | 2004-01-13 |