Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4998777 | Coal-cutting machine having horizontally swivellable jib boom and vertically swivellable loading means | Otto Schetina, Arnulf Kissich, Werner Stecher, Helmut Habenicht, Wilhelm Papst | 1991-03-12 |