Patents by Inventor Stanley A. Whitehead

Stanley A. Whitehead 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).

  • Automatic portable sharpening kit for electric cattle shearers/clippers
    Patent number: 4878321
    Abstract: For use in a shearer/clipper comprised of a pair of oscillating drive arms for moving a first removable blade in a wiping motion relative to an adjacent removable stationary blade, for effecting a shearing action therebetween, a sharpening kit comprised of a flat block having an abrasive surface, for connection to the shearer/clipper in place of the removable stationary blade, and apparatus for connecting a selected one of either the first or stationary blades to the oscillating drive arms, whereby the oscillating drive arms move the selected blade in a wiping motion relative to and bearing down on the abrasive surface thereby sharpening the selected blade.
    Type: Grant
    Filed: July 20, 1988
    Date of Patent: November 7, 1989
    Inventor: Stanley A. Whitehead
  • Blocking and clipping attachment
    Patent number: D303299
    Type: Grant
    Filed: September 12, 1986
    Date of Patent: September 5, 1989
    Inventor: Stanley A. Whitehead