Patents by Inventor Bernd Diefenbach

Bernd Diefenbach 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).

  • Handpump-espresso machine
    Patent number: D328684
    Type: Grant
    Filed: November 30, 1989
    Date of Patent: August 18, 1992
    Assignee: Arthur Eugster AG
    Inventor: Bernd Diefenbach