Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4493724 | Apparatus for bending glass sheets | Norbert Schwarzenberg, Friedrich Halberschmidt, Joseph Audi | 1985-01-15 |
| 4459148 | Roll for carrying glass sheets | Werner Diederen, Heinz-Gunter Zilgens, Mario Roth | 1984-07-10 |
| 4392404 | Cutting head for glass cutting machine | Norbert Schwarzenberg, Jakob Kaesmacher | 1983-07-12 |