Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4720296 | Method and apparatus for bending a glass pane | Alf Kriesenger, Werner Gatzweiler | 1988-01-19 |
| 4371103 | Process and apparatus for breaking off marginal edge portions from a glass pane | Walter Siemens, Gunther Ulrich | 1983-02-01 |
| 4361428 | Process and apparatus for regulating the temperature of a glass sheet in a multi-cell furnace | Mario Roth, Walter Schamberg, Josef Willems | 1982-11-30 |