Patents by Inventor Fritz Wurster

Fritz Wurster 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).

  • Audio amplifier
    Patent number: D857646
    Type: Grant
    Filed: August 7, 2017
    Date of Patent: August 27, 2019
    Assignee: D&B AUDIOTECHNIK GMBH
    Inventors: Michael Eckstein, Fritz Wurster
  • Loudspeaker
    Patent number: D881158
    Type: Grant
    Filed: April 26, 2018
    Date of Patent: April 14, 2020
    Assignee: d&b audiotechnik GmbH
    Inventors: Michael Eckstein, Fritz Wurster
  • Loudspeaker
    Patent number: D890719
    Type: Grant
    Filed: April 26, 2018
    Date of Patent: July 21, 2020
    Assignee: D&B AUDIOTECHNIK GMBH & CO. KG
    Inventors: Michael Eckstein, Fritz Wurster