Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5175011 | Quick-opening bag for packaging, especially for vacuum packaging food products in particular coffee | Wolfgang Heilmann | 1992-12-29 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5175011 | Quick-opening bag for packaging, especially for vacuum packaging food products in particular coffee | Wolfgang Heilmann | 1992-12-29 |