Patents by Inventor Charles R. McQuary

Charles R. McQuary 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).

  • Method and apparatus for installing highway drainage mat
    Patent number: 4597693
    Abstract: Method and apparatus for inserting an elongated bendable drainage mat having a rectangular cross section below the surface of the ground in a vertical orientation in an advancing trench segment.
    Type: Grant
    Filed: July 31, 1985
    Date of Patent: July 1, 1986
    Assignee: Monsanto Company
    Inventors: Charles R. McQuary, Barry J. Dempsey