David G. Krashkevich

Person

Dallas, PA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Interference filter having a glass substrate
- Patent number 6,825,142
- Issue date Nov 30, 2004
- Schott Glass Technologies, Inc.
- Sally Pucilowski
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Brown contrast enhancement glass
- Patent number 5,446,007
- Issue date Aug 29, 1995
- Schott Glass Technologies, Inc.
- David G. Krashkevich
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Vanadium- and copper-containing glasses for use as filters for ligh...
- Patent number 5,234,871
- Issue date Aug 10, 1993
- Schott Glass Technologies, Inc.
- David G. Krashkevich
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Contrast enhancement in glass
- Patent number 5,190,896
- Issue date Mar 2, 1993
- Schott Glass Technologies, Inc.
- Sally Pucilowski
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Strengthenable, high neodymium-containing glasses
- Patent number 5,077,240
- Issue date Dec 31, 1991
- Schott Glass Technologies, Inc.
- Yuiko Hayden
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Contrast enhancement filter glass useful for color CRT displays
- Patent number 5,061,659
- Issue date Oct 29, 1991
- Schott Glass Technologies, Inc.
- Sally Ciolek
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
UV attenuated colored glasses
- Patent number 5,059,561
- Issue date Oct 22, 1991
- Schott Glass Technologies, Inc.
- Sally Ciolek
- G02 - OPTICS
Information Patent Grant
Strengthenable, high non-nd lanthanoid-containing glasses
- Patent number 5,039,631
- Issue date Aug 13, 1991
- Schott Glass Technologies, Inc.
- David Krashkevich
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Fiber optic core glass compositions having a high refractive index
- Patent number 4,932,752
- Issue date Jun 12, 1990
- Schott Glass Technologies, Inc.
- David G. Krashkevich
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
Interference filter having a glass substrate
- Publication number 20030092559
- Publication date May 15, 2003
- Sally Pucilowski
- G02 - OPTICS

David G. Krashkevich

Person

Patents Grantslast 30 patents

Interference filter having a glass substrate

Brown contrast enhancement glass

Vanadium- and copper-containing glasses for use as filters for ligh...

Contrast enhancement in glass

Strengthenable, high neodymium-containing glasses

Contrast enhancement filter glass useful for color CRT displays

UV attenuated colored glasses

Strengthenable, high non-nd lanthanoid-containing glasses

Fiber optic core glass compositions having a high refractive index

Patents Applicationslast 30 patents

Interference filter having a glass substrate