Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6145162 | Suction head for an apparatus for sucking fluid media | Goran Golubovic | 2000-11-14 |
| 5143489 | Method of drilling bores | Werner Bogner, Rolf Spangenberg | 1992-09-01 |
| 5000631 | Working tool holder for a drilling or chiseling device | Hans Rupprecht, Franz Hoyss | 1991-03-19 |
| 4701083 | Tool holder for drilling and chiselling tools | Hans Rupprecht, Norbert Burtscher, Berno Nigg | 1987-10-20 |
| 4402637 | Self-drilling dowel | Hans-Dieter Seghezzi | 1983-09-06 |
| 4223587 | Self-drilling dowel assembly with an annular drill bit | — | 1980-09-23 |