Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4983077 | Method and an apparatus for producing fabric-reinforced lining supports or slender supporting structural units | Werner Sorge | 1991-01-08 |
| 4244626 | Rotary cutter for gouging out ore from mine faces or the like | Erich Schmitt, Adolf Buhles | 1981-01-13 |