Patents by Inventor Leo F. Woodard

Leo F. Woodard 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: 8439727
    Abstract: A drill bit sharpening system using a typical bench grinder with a removable table for refurbishing a dull or broken drill bit has a bench grinder with a motor, a sharpening wheel, and a generally planar positioning table. The system has a generally planar rigid sharpening table with a securing means for rigidly attaching to the positioning table in a removable manner. The system has a pivotally mounted positioning component on the table top surface. The positioning component has a generally ā€œLā€ shaped cross-section in a transverse plane. The positioning component has a centrally located pivoting means for mounting to a sharpening table top surface.
    Type: Grant
    Filed: August 6, 2012
    Date of Patent: May 14, 2013
    Inventor: Leo F. Woodard