Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5657934 | Granulating device for strand materials | Walter Pirrung, Berthold Glaab, Helmuth Meidhof, Guenther Wolf | 1997-08-19 |
| 5595770 | Granulating device for strand materials | Walter Pirrung, Berthold Glabb, Helmuth Meidhof, Gunther Wolf | 1997-01-21 |