Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6815494 | Aqueous coating material, especially aqueous filler or protective base against stones | Georg Wigger, Ulrike Rockrath, Marita Schilling, Ralf Stein | 2004-11-09 |
| 6620511 | Aqueous coating material, especially aqueous filler or protective base against stones | Georg Wigger, Ulrike Rockrath, Marita Schilling, Ralf Stein | 2003-09-16 |
| 6274693 | Method for producing a two-layer coating and suitable enamel therefor | Ulrich Poth | 2001-08-14 |