Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5147062 | Paper pack container with internal bag for receiving fluids | Erich Heuberger | 1992-09-15 |
| 4572422 | Container with inner pouch and reclosable spout | Erich Heuberger, Wolf-Dieter Knorrich | 1986-02-25 |