Patents by Inventor Quirin Oppel

Quirin Oppel 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).

  • Loudspeaker
    Patent number: D1003853
    Type: Grant
    Filed: October 21, 2021
    Date of Patent: November 7, 2023
    Assignee: Harman International Industries, Incorporated
    Inventors: Philipp Siebourg, Michael Juraschek, Raphael Glueck, Quirin Oppel