Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5251850 | Device for adjustment of the height of an airship | — | 1993-10-12 |
| 4440448 | Method for opening mineral deposit and subsequent mining thereof | Gustav Hoberstorfer | 1984-04-03 |
| 4377353 | Method of selective underground mining and stabilization of rock cavities | Gustav Hoberstorfer | 1983-03-22 |