Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4861216 | Feeding device for feeding pulverous or granular material from a container to a material consuming apparatus | Heinrich Boner, Erik Granwehr | 1989-08-29 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4861216 | Feeding device for feeding pulverous or granular material from a container to a material consuming apparatus | Heinrich Boner, Erik Granwehr | 1989-08-29 |