Patents by Inventor Leonard C. Aleshire

Leonard C. Aleshire 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).

  • Surface drainage conduit installation structure and method
    Patent number: 4844655
    Abstract: Structure and a method for installation of drain conduit whereby the drain conduit is positioned at a proper elevation with respect to an adjacent surface in a floor or parking lot or the like. The drain conduit is positioned within a trench. Support structure of this invention supports the drain conduit in the trench as concrete or other solidifiable material is poured into the trench to support and to secure the position of the drain conduit. Then after the concrete has partially solidified and is capable of support of the drain conduit, the support structure of this invention is removed and is reused in another installation.
    Type: Grant
    Filed: March 2, 1987
    Date of Patent: July 4, 1989
    Inventor: Leonard C. Aleshire