Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4270889 | Equipment for the continuous production of foam boards | Erwin Hoffmann, Kurt Krippl, Karl J. Kraft, Frank Redmer | 1981-06-02 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4270889 | Equipment for the continuous production of foam boards | Erwin Hoffmann, Kurt Krippl, Karl J. Kraft, Frank Redmer | 1981-06-02 |