Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6047834 | Process for the manufacture of a sifting device with slit-shaped openings and an appropriately manufactured sifting device | Klaus Dolle, Joachim Nittke, Reimund Rienecker, Peter Schweiss, Gerhard Veh | 2000-04-11 |