Patents by Inventor Robert Dunham

Robert Dunham 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).

  • Publication number: 20120025596
    Abstract: A traction device for lawn equipment wheels comprising: a removable belt, where said belt is placed over the circumference of the wheel; a pin, where said pin secures the belt around the wheel; and a traction surface across the surface of the belt. The traction surface may include a plurality of chain assemblies or alternatively a plurality of pointed lugs. The pointed lugs may insert through a plurality of openings along the surface of the belt and the lugs include a pointed end and a head end.
    Type: Application
    Filed: July 31, 2010
    Publication date: February 2, 2012
    Inventor: Robert Dunham