Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4817883 | Measuring device for the pressing zone width of a roller on a roll of material and process and controller for making the roll with a predetermined roll hardness | Peter Hoffmann, Gerhard Buschmann, Hans Leichter | 1989-04-04 |