Patents by Inventor Philipp Grutzner

Philipp Grutzner 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).

  • Hearing aid
    Patent number: D663846
    Type: Grant
    Filed: April 9, 2010
    Date of Patent: July 17, 2012
    Assignee: Bernafon AG
    Inventors: Andreas Ingold, Philipp Grutzner, Roland Margot, Wilfried Schild, Mario Tronza