Patents by Inventor William J. Speare

William J. Speare 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).

  • Rotary cutting tool
    Patent number: 6120220
    Abstract: A cutting tool assembly which is adapted for use in combination with a drill for cutting a hole in a work piece. The assembly includes a u-shaped blade and a mandrel assembly for fixing the blade to the drill, a dust shield which surrounds the blade and a stabilizer which can be fixed adjacent the blade. In one construction, the blade includes tips which are removably connectable to a wing portion. Also, a coating of wear-resistant material may be applied to the tips so that the blade is self-sharpening during cutting operations.
    Type: Grant
    Filed: April 20, 1999
    Date of Patent: September 19, 2000
    Assignee: Speare Tools, Inc.
    Inventor: William J. Speare
  • Nail starter integrally formed in head for a hammer
    Patent number: 6038945
    Abstract: A nail starter for a hammer includes integral protrusions and a spring member disposed between these two protrusions for releasably holding the body of a nail in a predetermined position.
    Type: Grant
    Filed: January 16, 1999
    Date of Patent: March 21, 2000
    Assignee: Speare Tools, Inc.
    Inventor: William J. Speare