John C. Kralik

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Lansdale, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Methods of fabricating PDLC optical devices
- Patent number 7,176,992
- Issue date Feb 13, 2007
- Avago Technologies General IP (Singapore) Pte. Ltd.
- John C. Kralik
- G02 - OPTICS
Information Patent Grant
Switchable mirrors and retarders based on imbibed nano-column films
- Patent number 6,697,144
- Issue date Feb 24, 2004
- Agilent Technologies, Inc.
- John C. Kralik
- G02 - OPTICS
Information Patent Grant
High contrast PDLC transmission gratings and method of manufacture
- Patent number 6,654,072
- Issue date Nov 25, 2003
- Agilent Technologies, Inc.
- John C. Kralik
- G02 - OPTICS
Information Patent Grant
Polarizer devices and methods for making the same
- Patent number 6,252,710
- Issue date Jun 26, 2001
- Reveo, Inc.
- Bunsen Fan
- G02 - OPTICS
Information Patent Grant
Polarizer devices and methods for making the same
- Patent number 6,072,629
- Issue date Jun 6, 2000
- Reveo, Inc.
- Bunsen Fan
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
Optical devices, systems and method for producing a collimated ligh...
- Publication number 20060077390
- Publication date Apr 13, 2006
- John C. Kralik
- G01 - MEASURING TESTING
Information Patent Application
Switchable mirrors and retarders based on imbibed nano-column films
- Publication number 20020154261
- Publication date Oct 24, 2002
- John C. Kralik
- G02 - OPTICS
Information Patent Application
High contrast PDLC transmission gratings and method of manufacture
- Publication number 20020097355
- Publication date Jul 25, 2002
- John C. Kralik
- G02 - OPTICS