Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5557979 | Gear box | Alfred Zitz, Robert Felber | 1996-09-24 |
| 5108154 | Drive arrangement for shearing drums | Erich Brandl, Alfred Zitz | 1992-04-28 |
| 5098166 | Device for feeding fluid for the spraying of picks in a shearing drum | Bernhard Ebner, Franz Schoffmann, Alfred Zitz | 1992-03-24 |