Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6815042 | Floor covering | Klaus Heckel | 2004-11-09 |
| 6709732 | Web-type floor covering and method for its manufacture | Klaus Heckel, Dieter Rischer, Gerhard Heidecke | 2004-03-23 |
| 6695999 | Method of making an electrically conductive floor covering | Hans-Michael Kuhl, Peter Platzer, Ralf Möller | 2004-02-24 |