Patents by Inventor Leo Nicholson

Leo Nicholson 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).

  • Dropped curb finisher
    Patent number: 7172364
    Abstract: The dropped curb finisher is for use with a slip form paving machines for forming continuous curbs and gutters. The dropped curb finisher has a vertical mounting plate, a finishing plate, an end plate and a vibrator for imparting vibration to the end plate and the finishing plate. The finishing plate extends rearwardly from the bottom edge of the mounting plate and the end plate inclines upwardly from the end of the finishing plate remote from the mounting plate. In another embodiment the present invention comprises a method of forming a dropped curb with a slip form paving machine for forming continuous curbs and gutters.
    Type: Grant
    Filed: March 17, 2006
    Date of Patent: February 6, 2007
    Assignee: Nicholson Concrete
    Inventor: Leo Nicholson