Patents by Inventor James V. Keefe

James V. Keefe 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).

  • Patent number: 5134807
    Abstract: A grinding apparatus comprises first and second grinding wheels for grinding the arms of E-cores, or any other desired item, having two different lengths, in a single grinding operation.
    Type: Grant
    Filed: October 27, 1986
    Date of Patent: August 4, 1992
    Assignee: Speedfam Corporation
    Inventor: James V. Keefe
  • Patent number: 4821459
    Abstract: A grinding apparatus comprises first and second grinding wheels for grinding the arms of E-cores, or any other desired item, having two different lengths, in a single grinding operation.
    Type: Grant
    Filed: March 11, 1988
    Date of Patent: April 18, 1989
    Assignee: Speedfam Corporation
    Inventor: James V. Keefe