Patents by Inventor John Q. Dumm

John Q. Dumm 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).

  • Mobile electronic device comprising a modified sapphire
    Patent number: 9377912
    Abstract: An electronic device comprising a cover plate is disclosed. The cover plate comprises at least one layer of modified sapphire having a dielectric constant that is higher than the dielectric constant of sapphire.
    Type: Grant
    Filed: December 9, 2013
    Date of Patent: June 28, 2016
    Assignee: GTAT Corporation
    Inventors: David B. Joyce, John Q. Dumm, James M. Zahler
  • MOBILE ELECTRONIC DEVICE COMPRISING A MODIFIED SAPPHIRE
    Publication number: 20140160649
    Abstract: An electronic device comprising a cover plate is disclosed.
    Type: Application
    Filed: December 9, 2013
    Publication date: June 12, 2014
    Applicant: GT CRYSTAL SYSTEMS, LLC
    Inventors: David B. Joyce, John Q. Dumm, James M. Zahler