Patents by Inventor Catherine Anne Leatherdale

Catherine Anne Leatherdale 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).

  • LIGHTING DEVICE WITH REMOTE DOWN-CONVERTING MATERIAL
    Publication number: 20150098239
    Abstract: A lighting device is disclosed with remote down-converting material and, in particular, a solid state lighting device that forms multiple virtual light sources on remote down-converting material. The lighting devices utilizes a free-form optic having two or more focal points that generates two or more images of the light sources are formed from a single LED light source. Down-converting material is located at the two or more images of the light source.
    Type: Application
    Filed: October 7, 2013
    Publication date: April 9, 2015
    Applicant: 3M Innovative Properties Company
    Inventors: Gilles Jean-Baptiste Benoit, Michael Francis Weber, Catherine Anne Leatherdale