Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4356199 | Tubular packaging material and method for its manufacture | Klaus-Dieter Hammer, Wolfgang Heinrich, Max Bytzek | 1982-10-26 |
| 4356200 | Tubular packaging material and method for its manufacture | Klaus-Dieter Hammer, Wolfgang Heinrich, Max Bytzek | 1982-10-26 |