Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6401342 | Cutting knife for cutting cement beads of window panes | Gunter Kloss, Walter Thomaschewski | 2002-06-11 |
| 5231910 | Device for producing U-shaped surface channels in sheeting | Joachim Muller | 1993-08-03 |
| 5038478 | Paring knife | Dieter Mezger | 1991-08-13 |
| 4980976 | Knife with a straight cutting part | Klaus M. Junginger | 1991-01-01 |
| 4700478 | Knife for cutting through the adhesive that fastens a window pane in place | Dieter Mezger, Gert Flachenecker | 1987-10-20 |