Patents by Inventor Howard Steinhoff

Howard Steinhoff 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).

  • Multiple disk write method and device
    Patent number: 6369970
    Abstract: A method of writing data to multiple disks on a servo track writing machine comprises the steps of providing a cylindrical disk stacking tool comprising a base and a spindle, loading a first disk onto the spindle in alignment with the base, loading a second disk onto said spindle in alignment with the first disk, placing the loaded disk stacking tool on the servo track writing machine, and simultaneously writing data to the disks with the servo track writing machine. As many disks as desired may be so written to. The disk stacking tool further includes a clamp for locking the disks in place.
    Type: Grant
    Filed: May 28, 1999
    Date of Patent: April 9, 2002
    Assignee: Castlewood Systems, Inc.
    Inventors: Howard Steinhoff, David Drouin, Frank Morris