Patents by Inventor Erich Dittli

Erich Dittli 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).

  • Patent number: D457635
    Type: Grant
    Filed: December 21, 1999
    Date of Patent: May 21, 2002
    Assignee: Phonak AG
    Inventors: Erich Dittli, Bruno Gabathuler, Richard Niccolai