Patents by Inventor Elwald Karl Michael Guenther

Elwald Karl Michael Guenther has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Projector for Minute Projection Surfaces and Use of a Multi-Color LED in a Projector
    Publication number: 20110085144
    Abstract: A multicolour LED, in which layers for generating light of different colours are arranged one above the other, is used as the light source in a projector.
    Type: Application
    Filed: May 4, 2009
    Publication date: April 14, 2011
    Applicant: OSRAM Opto Semiconductors GmbH
    Inventors: Stefan Groetsch, Elwald Karl Michael Guenther, Alexander Wilm, Siegfried Herrmann