Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6257671 | Device for protecting selective cutting machines against overload | Gottfried Siebenhofer, Walter Leitner | 2001-07-10 |
| 5881832 | Method of controlling interlinked vehicles in mining and tunnelling as well as arrangement for carrying out this method | Alfred Zitz | 1999-03-16 |