Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7815704 | Device for detachably securing a dust filter bag in dust aspirating equipment | Uwe Schmierer, Gunther Eigenwillig, Herbert Krehan | 2010-10-19 |
| 6966939 | Multi-layer filter structure and use of a multi-layer filter structure | Uwe Schmierer, Ulrich Hornfeck, Roland Straub | 2005-11-22 |