Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4625372 | Apparatus for the manufacture of biaxially stretched flat film | Volker Graap, deceased, Freidrich von und zu Aufsess, Rotger Armsen | 1986-12-02 |
| 4595738 | Polypropylene film | Heinz Vates | 1986-06-17 |
| 4507960 | Speed indicator | Alois Kreuz | 1985-04-02 |
| 4261944 | Method for the manufacture of biaxially stretched polyolefin film | Volker Graap, deceased, Friedrich F. von und zu Aufsess, Rotger Armsen | 1981-04-14 |