Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4841612 | Roll device comprising a shaft and at least one roll ring arranged thereon | — | 1989-06-27 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4841612 | Roll device comprising a shaft and at least one roll ring arranged thereon | — | 1989-06-27 |