Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D255579 | Magnetic separator for particulate materials | Frank S. Knoll | 1980-06-24 |
| D255580 | Magnetic separator for particulate materials | Frank S. Knoll | 1980-06-24 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D255579 | Magnetic separator for particulate materials | Frank S. Knoll | 1980-06-24 |
| D255580 | Magnetic separator for particulate materials | Frank S. Knoll | 1980-06-24 |