Patents by Inventor Roy Debbage

Roy Debbage 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).

  • Luminescent glass composition
    Patent number: 10414686
    Abstract: The invention relates to faceted gemstones based on a luminescent glass composition that contains particular oxides of rare earth metals and thus enables the faceted gemstones to be identified, and to a process for identifying the gemstones.
    Type: Grant
    Filed: August 24, 2015
    Date of Patent: September 17, 2019
    Assignee: D. Swarovski KG
    Inventors: Roy Debbage, Rainer Haid, Helmut Judmaier, Johannes Maier, Florian Meissl, Gerold Sprachmann
  • Luminescent Glass Composition
    Publication number: 20170166474
    Abstract: The invention relates to faceted gemstones based on a luminescent glass composition that contains particular oxides of rare earth metals and thus enables the faceted gemstones to be identified, and to a process for identifying the gemstones.
    Type: Application
    Filed: August 24, 2015
    Publication date: June 15, 2017
    Inventors: Roy Debbage, Rainer Haid, Helmut Judmaier, Johannes Maier, Florian Meissl, Gerold Sprachmann