Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4270254 | Method for making grooved rollers for dehydrating runs of materials | Dag Bergloff, Otto L. Heissenberger, Martin Muhlhauser, Franz Petschauer | 1981-06-02 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4270254 | Method for making grooved rollers for dehydrating runs of materials | Dag Bergloff, Otto L. Heissenberger, Martin Muhlhauser, Franz Petschauer | 1981-06-02 |