Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4400428 | Sealable multilayer films | Heinrich Rosenthal, Ingo Schinkel, Wolfgang Bair | 1983-08-23 |
| 4348457 | Sealable multilayer film of polyolefins | Heinrich Rosenthal, Ingo Schinkel | 1982-09-07 |