Patents by Inventor Allen Thomas Donahue

Allen Thomas Donahue 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).

  • Composite grinding and buffing disc with flexible rim
    Patent number: 5989114
    Abstract: A unitary composite abrasive disc for one-pass grinding and finishing of a workpiece comprising a flexible epoxy rim bonded to a rigid core.
    Type: Grant
    Filed: October 21, 1997
    Date of Patent: November 23, 1999
    Assignee: Unova IP Corp.
    Inventors: Allen Thomas Donahue, Douglas Remi Stitt