Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6833041 | Adhesives for frozen substrates | Bernd Meyer-Roscher, Karl-Heinz Schumacher, Jürgen Barwich, Uwe Düsterwald | 2004-12-21 |
| 6734222 | Adhesives containing polyvinyl alkyl ethers | Karl-Heinz Schumacher, Uwe Düsterwald, Christelle Staller | 2004-05-11 |
| 6672866 | Continuous furnace for tubular firing material | Hans-Georg Hartmann, Jörg Ridder | 2004-01-06 |