Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6749948 | Polyolefin film with peelable outer layer | Bernd Sperlich, Helmut Wagner, Willi Schwarz | 2004-06-15 |
| 6645609 | Peelable, sealable polyolefinic multilayered film and its use as a packaging film | Bernd Sperlich, Helmut Wagner, Willi Schwarz | 2003-11-11 |
| 5250617 | Polymer blends containing ethylene polymers for flexible films | Karl-Erwin Piejko, Hans-Eberhard Braese, Christian Lindner | 1993-10-05 |
| 4905241 | Logic module for generating unequiprobable/random patterns for integrated circuits | Detlef Schmid | 1990-02-27 |