Patents by Inventor Mark A. March

Mark A. March 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).

  • Patent number: 6893598
    Abstract: A device for finishing the ends of concrete posts, piers or columns has a form for imparting a smooth transitional shape to the periphery of the concrete post, piers or columns. The form may be shaped and sized to fit into a conventional prefabricated tubular form for concrete posts, piers, columns and the like. The device may also have a central finishing plate for producing a smooth end surface to the concrete posts, piers or columns. The central finishing plate may be connected to a driver, such as a drill motor and the like, to impart a smooth finish to the end surface of concrete posts, piers or columns. The central finishing plate may also be used to center an anchor bolt.
    Type: Grant
    Filed: September 5, 2003
    Date of Patent: May 17, 2005
    Inventor: Mark A. March