Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4705223 | Bowl mill | Helmut Grommes | 1987-11-10 |
| 4600157 | Bowl mill | Rudolf Willach | 1986-07-15 |
| 4441720 | Seal of a mill | Helmut Grommes | 1984-04-10 |
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4705223 | Bowl mill | Helmut Grommes | 1987-11-10 |
| 4600157 | Bowl mill | Rudolf Willach | 1986-07-15 |
| 4441720 | Seal of a mill | Helmut Grommes | 1984-04-10 |