Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4401136 | Tubular casing, process for its manufacture, and its use as a sausage casing | Herbert Porrmann, Ludwig Klenk, Karl Stenger | 1983-08-30 |
| 4283453 | Biaxially stretched polypropylene composite film and electrical insulating film made therefrom | Siegfried Janocha, Gunther Crass | 1981-08-11 |