Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D289813 | Frame for dust filter bags | Staffan Jansson, Jan Sandberg, Svante O. Berglund | 1987-05-12 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D289813 | Frame for dust filter bags | Staffan Jansson, Jan Sandberg, Svante O. Berglund | 1987-05-12 |