Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8053381 | Optically detectable, floatable arsenic- and antimony-free, glazable lithium-aluminosilicate glass | Friedrich Siebers, Bernd Rüdinger, Gerbard Lautenschläger, Klaus Schneider, Michael Jacquorie +1 more | 2011-11-08 |
| 6673729 | Glass ceramic | Friedrich Siebers, Dirk Sprenger | 2004-01-06 |
| 6403506 | Glass powder and use thereof | Susanne Kessler, Hartmut Paschke, Susanne Kiermayer | 2002-06-11 |
| 6251810 | Composite solder glass, filling material for same and methods of using same | Friedrich Siebers, Dietrich Mund, Hartmut Paschke | 2001-06-26 |