Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5824735 | Moire floor covering and method for its manufacture | Gerhard Graab, Klaus Heckel, Alfons Butscher | 1998-10-20 |
| 4902559 | Absorbent body of nonwoven material and a method for the production thereof | Helmut Eschwey, Lothar Hackler, Ludwig Hartmann, Michael Kauschke, Bernhard Klein +3 more | 1990-02-20 |