Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6105510 | Folding table for the interior furnishing of vehicles | Gerhard Skoff, Anton Strassgurtl | 2000-08-22 |
| 5388484 | Method of manufacturing diamond-impregnated drilling crowns | — | 1995-02-14 |
| 5174696 | Plug-in holder for centering drill bit | — | 1992-12-29 |
| 5143489 | Method of drilling bores | Rolf Spangenberg, Paul Deutschenbaur | 1992-09-01 |