Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4744176 | NC-controlled edge grinding machine | E. Theodor Sack, Klaus Glittenberg | 1988-05-17 |
| 4723983 | Apparatus for producing highly curved sheets of glass | Wolfgang Erdmann, Gerd Bischoff | 1988-02-09 |
| 4604124 | Apparatus for manufacturing of tempered, bent glass sheets | — | 1986-08-05 |
| 4434582 | Glass trimming cutter with roller conveyor | Horst Schumann | 1984-03-06 |