Patents by Inventor Nelson R. Belford

Nelson R. Belford 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: D291315
    Type: Grant
    Filed: June 7, 1984
    Date of Patent: August 11, 1987
    Inventors: Nelson R. Belford, Paul Blackman