Patents by Inventor Royce E. Sperry

Royce E. Sperry 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).

  • Caster wheel assembly for a snowblower
    Patent number: 8584383
    Abstract: A caster wheel assembly is disclosed for a snowblower wherein a pair of caster wheel assemblies are secured to the opposite sides of the auger housing of the snowblower in a manner wherein the caster wheels thereof are positioned inwardly of the sides of the auger housing and are positioned rearwardly of the rearward end of the auger housing.
    Type: Grant
    Filed: September 21, 2012
    Date of Patent: November 19, 2013
    Inventors: Lanny E. Morse, Royce E. Sperry