Patents Represented by Attorney William D. Johnston, III
  • Patent number: 4293993
    Abstract: A tool for removing casement windows comprises a first bar bearing on the interior side of the main frame, a second bar bearing on the exterior vertical surfaces of the building, and apparatus connecting the two bars for controllably pulling the window toward the exterior of the building to free it from a retaining frame embedded in the wall of the building.
    Type: Grant
    Filed: May 16, 1979
    Date of Patent: October 13, 1981
    Inventor: James A. Baker