Patents by Inventor Horst B. W. Denner

Horst B. W. Denner 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).

  • Manufacturing process for foil magnetic recording disks
    Patent number: 4328607
    Abstract: A magnetic recording device employing a thin foil member is fabricated by radially compressing a ring member, securing the periphery of the foil member to the compressed ring, releasing the compression on the ring so that it expands to produce tension in the foil member.A magnetic coating may be applied to the foil member either before or after securing it to the ring member.
    Type: Grant
    Filed: December 10, 1979
    Date of Patent: May 11, 1982
    Assignee: International Business Machines Corporation
    Inventors: Horst B. W. Denner, Armin R. Tietze