Ehrt; Doris
Patent Applications and Registrations
Patent applications and USPTO patent grants for Ehrt; Doris.The latest application filed is for "core glass in the alkali-zinc-silicate glass system for an fiber-optic light guide and fiber-optic light guide made with said core glass".
- Ehrt; Doris - Jena DE
| Patent | Date |
|---|---|
| Core glass in the alkali-zinc-silicate glass system for an fiber-optic light guide and fiber-optic light guide made with said core glass Grant 8,039,410 - Kolberg , et al. October 18, 2 | 2011-10-18 |
| Core Glass In The Alkali-zinc-silicate Glass System For An Fiber-optic Light Guide And Fiber-optic Light Guide Made With Said Core Glass App 20090163342 - Kolberg; Uwe ; et al. | 2009-06-25 |
| Standard for referencing luminescence signals Grant 7,521,670 - Engel , et al. April 21, 2 | 2009-04-21 |
| Standard for referencing luminescence signals App 20060202118 - Engel; Axel ; et al. | 2006-09-14 |
| Standard for referencing luminescence signals App 20060199018 - Engel; Axel ; et al. | 2006-09-07 |
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