Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4453358 | Insulated one-piece roof | Hermann Gruber, Wolfgang Wellner, Hermann Diehl | 1984-06-12 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4453358 | Insulated one-piece roof | Hermann Gruber, Wolfgang Wellner, Hermann Diehl | 1984-06-12 |