Brad Klassen

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Monticello, MN, US

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Patents Grantslast 30 patents

Information Patent Grant
Spectral shift control for dimmable AC LED lighting
- Patent number 9,775,212
- Issue date Sep 26, 2017
- Once Innovations, Inc.
- Zdenko Grajcar
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Spectral shift control for dimmable AC LED lighting
- Patent number 9,380,665
- Issue date Jun 28, 2016
- Once Innovations, Inc.
- Zdenko Grajcar
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
SPECTRAL SHIFT CONTROL FOR DIMMABLE AC LED LIGHTING
- Publication number 20160381756
- Publication date Dec 29, 2016
- ONCE INNOVATIONS, INC.
- Zdenko Grajcar
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
SPECTRAL SHIFT CONTROL FOR DIMMABLE AC LED LIGHTING
- Publication number 20140111091
- Publication date Apr 24, 2014
- Zdenko Grajcar
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR