Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6735237 | Device for producing a glass melt | Klaus-Dieter Duch, Franz Ott, Siegfried Breitfelder | 2004-05-11 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6735237 | Device for producing a glass melt | Klaus-Dieter Duch, Franz Ott, Siegfried Breitfelder | 2004-05-11 |