Patents by Inventor Erich Daffe

Erich Daffe 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).

  • Die punch
    Patent number: 5133237
    Abstract: A three-piece, die punch has an upper body fixed in the die, a changeable quill, and a lower body to hold the changeable quill in the die punch.
    Type: Grant
    Filed: May 10, 1991
    Date of Patent: July 28, 1992
    Inventor: Erich Daffe