Philip A. Premysler

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Washington, DC, US

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Patents Grantslast 30 patents

Information Patent Grant
Omnidirectional LED light bulb
- Patent number 10,288,226
- Issue date May 14, 2019
- Philip Premysler
- F21 - LIGHTING
Information Patent Grant
Engineered light distribution LED light bulbs
- Patent number 9,163,788
- Issue date Oct 20, 2015
- Philip A. Premysler
- F21 - LIGHTING
Information Patent Grant
Omnidirectional LED light bulb
- Patent number 8,680,754
- Issue date Mar 25, 2014
- Philip Premysler
- F21 - LIGHTING
Information Patent Grant
Illumination lenses including light redistributing surfaces
- Patent number 8,339,716
- Issue date Dec 25, 2012
- Philip Premysler
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
OMNIDIRECTIONAL LED LIGHT BULB
- Publication number 20140340870
- Publication date Nov 20, 2014
- Philip Premysler
- G02 - OPTICS
Information Patent Application
LED ILLUMINATION ASSEMBLIES INCLUDING PARTIAL LENSES AND METAL REFL...
- Publication number 20140140069
- Publication date May 22, 2014
- Philip Premysler
- F21 - LIGHTING
Information Patent Application
ENGINEERED LIGHT DISTRIBUTION LED LIGHT BULBS
- Publication number 20140078735
- Publication date Mar 20, 2014
- Philip A. Premysler
- G02 - OPTICS