Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4758260 | Process and device for producing granulated slag sand from blast furnace slag | Dieter Geropp, Konrad Muller | 1988-07-19 |
| 4350310 | Apparatus for braking travelling strip material | Peter Frohling, Franz F. Schulz | 1982-09-21 |