Patents by Inventor A. Charles Wilmot

A. Charles Wilmot 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).

  • Subsurface drainage system
    Patent number: 7503725
    Abstract: A subsurface water drainage system which includes a high porosity cylinder made of a mixture of Portland cement and activated charcoal, such cylinder disposed vertically in the subsoil to receive water discharge therein and to direct such water through its porous midsection into adjacent subsoil at a rate sufficient for dispersing the water to prevent yard surface flooding.
    Type: Grant
    Filed: August 20, 2007
    Date of Patent: March 17, 2009
    Inventors: James M. Pratt, A. Charles Wilmot, Anthony P. Nickinello, Jr.