Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7288308 | Floor covering of an elastomer material having a textured surface | Gerhard Graab, Peter Spissinger | 2007-10-30 |
| 6939598 | Floor covering made of an elastomer material having a relief-type patterned surface | Klaus Heckel, Peter Spissinger | 2005-09-06 |
| 5824735 | Moire floor covering and method for its manufacture | Gerhard Graab, Klaus Heckel, Torsten Nahe | 1998-10-20 |