Patents by Inventor Fritz Aeschbach

Fritz Aeschbach 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).

  • Punching tool die
    Patent number: 4048890
    Abstract: The die of a punching tool has a body of relatively soft and elastically deformable material with a through hole in extension of a through hole of the die but of smaller section, corresponding to that of a punch which passes through the die with a clearance, so that as the punch is withdrawn waste pieces are retained in the body by elastic deformation.
    Type: Grant
    Filed: November 4, 1976
    Date of Patent: September 20, 1977
    Assignee: Raskin S.A.
    Inventor: Fritz Aeschbach