Patents Assigned to Bull Dog Construction Co., Inc.
  • Method and article of manufacture for removable pavement for underground utility placement
    Patent number: 5098218
    Abstract: Removable sidewalk and a method of installation involves preformed sidewalk slabs provided with interlocking means at two opposite ends. The slabs include attachment means for lifting the slabs into place. The slabs may be installed over utility services to form a sidewalk and removed and replaced as necessary to provide access to the underground utilities.
    Type: Grant
    Filed: July 9, 1990
    Date of Patent: March 24, 1992
    Assignee: Bull Dog Construction Co., Inc.
    Inventors: Robert W. Reese, Stephen W. Keech