Krashkevich; David G.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Krashkevich; David G..The latest application filed is for "interference filter having a glass substrate".
- Krashkevich; David G. - Dallas PA
- Krashkevich; David G. - Duryea PA
| Patent | Date |
|---|---|
| Interference filter having a glass substrate Grant 6,825,142 - Pucilowski , et al. November 30, 2 | 2004-11-30 |
| Interference filter having a glass substrate App 20030092559 - Pucilowski, Sally ; et al. | 2003-05-15 |
| Brown contrast enhancement glass Grant 5,446,007 - Krashkevich , et al. August 29, 1 | 1995-08-29 |
| Vanadium- and copper-containing glasses for use as filters for light sources intended for use with night vision devices Grant 5,234,871 - Krashkevich August 10, 1 | 1993-08-10 |
| Contrast enhancement in glass Grant 5,190,896 - Pucilowski , et al. March 2, 1 | 1993-03-02 |
| Fiber optic core glass compositions having a high refractive index Grant 4,932,752 - Krashkevich , et al. June 12, 1 | 1990-06-12 |
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