John Nappi

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Burlington, MA, US

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Patents Grantslast 30 patents

Information Patent Grant
LED wavelength-coverting plate with microlenses in multiple layers
- Patent number 8,334,646
- Issue date Dec 18, 2012
- Osram Sylvania Inc.
- Alan Piquette
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
LED Wavelength-Coverting Plate with Microlenses in Multiple Layers
- Publication number 20120074835
- Publication date Mar 29, 2012
- Alan Piquette
- H01 - BASIC ELECTRIC ELEMENTS