Patents by Inventor John L. Simme

John L. Simme 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).

  • Patent number: 8653728
    Abstract: A photoluminescent device includes a substantially cylindrical housing having an optically transparent upper surface, the housing defining an interior cavity, a phosphorescent material being disposed within the interior cavity proximate the optically transparent upper surface, whereby the housing of the device has an elongate body portion configured for insertion into a bore or hole in a substrate with the optically transparent upper surface positioned proximate to the surface of the substrate.
    Type: Grant
    Filed: September 14, 2012
    Date of Patent: February 18, 2014
    Inventor: John L. Simme
  • Publication number: 20130141921
    Abstract: A photoluminescent device includes a substantially cylindrical housing having an optically transparent upper surface, the housing defining an interior cavity, a phosphorescent material being disposed within the interior cavity proximate the optically transparent upper surface, whereby the housing of the device has an elongate body portion configured for insertion into a bore or hole in a substrate with the optically transparent upper surface positioned proximate to the surface of the substrate.
    Type: Application
    Filed: September 14, 2012
    Publication date: June 6, 2013
    Inventor: John L. Simme