Patents by Inventor Stafford B. Walker

Stafford B. Walker 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).

  • Crevice cleaning implement for pavement and the like
    Patent number: 5350021
    Abstract: An implement for cleaning spaces between adjacent slabs of paving materials, the implement including a pilot member proportioned to fit into the spaces between the adjacent slabs of paving materials, a pair of flange members forming a V-shape having an apex, the pilot member and the pair of flange members being joined such that the pilot member extends away from the exterior of the apex of the V-shape, a handle that extends away from the interior of the apex of the V-shape, and a pivot apparatus for providing a pivoting movement between the pair of flange members and the pilot member and the handle.
    Type: Grant
    Filed: April 5, 1993
    Date of Patent: September 27, 1994
    Inventor: Stafford B. Walker