Patents by Inventor Rudolf Maass, Jr.

Rudolf Maass, Jr. 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).

  • Pump-type espresso machine
    Patent number: D361691
    Type: Grant
    Filed: March 3, 1994
    Date of Patent: August 29, 1995
    Assignee: Arthur Eugster AG
    Inventor: Rudolf Maass, Jr.