Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4927702 | Thermal insulating material | August Muhlratzer, Siegfried Lassmann, Alfred Hirt | 1990-05-22 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4927702 | Thermal insulating material | August Muhlratzer, Siegfried Lassmann, Alfred Hirt | 1990-05-22 |