Patents by Inventor Leon Amsen

Leon Amsen 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).

  • Publication number: 20120118277
    Abstract: This invention relates to a process which may be automated for the manufacture of stone blocks for use as finished landscape stone blocks from quarry stone. The natural stone is quarried from the quarry and split into rectangular blocks, with squared ends and the top and bottom surfaces are ground with a plurality of grooves and ridges. The ridges are then removed and the blocks may be used to form an architectural wall. The process is also applicable to pavers, steps and coping stones.
    Type: Application
    Filed: November 8, 2011
    Publication date: May 17, 2012
    Inventor: Leon Amsen