Issued Patents All Time
Showing 26–28 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4520115 | High absorbance Pb-containing glass for cathode ray tube picture screen | Karl Mennemann, Georg Gliemeroth | 1985-05-28 |
| 4508834 | Spectacle glass with increased refractive index | Georg Gliemeroth, Ludwig Ross, Volkmar Geiler, Hans-Georg Krolla, Lothar Meckel | 1985-04-02 |
| 4485178 | Phototropic glass with a brown tint in the irradiated state | Georg Gliemeroth, Uwe Eichhorn, Eva Holzel, Ludwig Ross, Hans-Georg Krolla +2 more | 1984-11-27 |