Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4625372 | Apparatus for the manufacture of biaxially stretched flat film | Walter Hufnagel, Volker Graap, deceased, Rotger Armsen | 1986-12-02 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4625372 | Apparatus for the manufacture of biaxially stretched flat film | Walter Hufnagel, Volker Graap, deceased, Rotger Armsen | 1986-12-02 |